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On May 25, 2017, NASA's Solar Dynamics Observatory, or SDO, saw a partial solar eclipse in space when it caught the moon passing in front of the sun. The lunar transit lasted almost an hour, between 2:24 and 3:17 p.m. EDT, with the moon covering about 89 percent of the sun at the peak of its journey across the sun's face. The moon's crisp horizon can be seen from this view because the moon has no atmosphere to distort the sunlight.
While the moon's edge appears smooth in these images, it's actually quite uneven. The surface of the moon is rugged,sprinkled with craters, valleys and mountains. Peer closely at the image, and you may notice the subtle, bumpy outline of thesetopographical features.
Image credit: NASA’s Goddard Space Flight Center/SDO/Joy Ng, producer
On August 31, 2012 a long filament of solar material that had been hovering in the sun's atmosphere, the corona, erupted out into space at 4:36 p.m. EDT. The coronal mass ejection, or CME, traveled at over 900 miles per second. The CME did not travel directly toward Earth, but did connect with Earth's magnetic environment, or magnetosphere, causing aurora to appear on the night of Monday, September 3.
This is a a lighten blended version of the 304 and 171 angstrom wavelengths.
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Extreme ultraviolet light streams out of an X-class solar flare as seen in this image captured on March 29, 2014, by NASA's Solar Dynamics Observatory. This image blends two wavelengths of light: 304 and 171 Angstroms, which help scientists observe the lower levels of the sun's atmosphere.
More info: The sun emitted a significant solar flare, peaking at 1:48 p.m. EDT March 29, 2014, and NASA's Solar Dynamics Observatory captured images of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, however -- when intense enough -- they can disturb the atmosphere in the layer where GPS and communications signals travel.
To see how this event impacted Earth, please visit NOAA's Space Weather Prediction Center at spaceweather.gov, the U.S. government's official source for space weather forecasts, alerts, watches and warnings.
This flare is classified as an X.1-class flare. X-class denotes the most intense flares, while the number provides more information about its strength. An X2 is twice as intense as an X1, an X3 is three times as intense, etc.
Credit: NASA/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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While it often seems unvarying from our viewpoint on Earth, the sun is constantly changing. Material courses through not only the star itself, but throughout its expansive atmosphere. Understanding the dance of this charged gas is a key part of better understanding our sun – how it heats up its atmosphere, how it creates a steady flow of solar wind streaming outward in all directions, and how magnetic fields twist and turn to create regions that can explode in giant eruptions. Now, for the first time, researchers have tracked a particular kind of solar wave as it swept upward from the sun's surface through its atmosphere, adding to our understanding of how solar material travels throughout the sun.
Scientists analyzed sunspot images from a trio of observatories -- including the Big Bear Solar Observatory, which captured this footage -- to make the first-ever observations of a solar wave traveling up into the sun’s atmosphere from a sunspot.
Tracking solar waves like this provides a novel tool for scientists to study the atmosphere of the sun. The imagery of the journey also confirms existing ideas, helping to nail down the existence of a mechanism that moves energy – and therefore heat – into the sun’s mysteriously-hot upper atmosphere, called the corona. A study on these results was published Oct. 11, 2016, in The Astrophysical Journal Letters.
Image credit: Zhao et al/NASA/SDO/IRIS/BBSO
Read more: go.nasa.gov/2dRv80g
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Image cropping - this image is in false colors. SDO give a red filter to AIA304 filter.
Observed by SDO on May 27, 2023 at a wavelength of 304 A.
The wavelength is ultraviolet, allowing us to observe helium losing two electrons.
The temperature oscillates between 40,000 and 60,000 degrees.
Credit: NASA/SDO and the AIA, EVE, and HMI science teams.
The sun emitted a significant solar flare, peaking at 12:22 p.m. EDT on March 11, 2015. NASA’s Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, however -- when intense enough -- they can disturb the atmosphere in the layer where GPS and communications signals travel.
This flare is classified as an X2.2-class flare. X-class denotes the most intense flares, while the number provides more information about its strength. An X2 is twice as intense as an X1, an X3 is three times as intense, etc.
This image was captured by NASA's Solar Dynamics Observatory and shows a blend of light from the 171 and 131 Ångström wavelengths. The Earth is shown to scale.
Credit: NASA/Goddard/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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As if it could not make up its mind . . . darker, cooler plasma slid and shifted back and forth above the Sun's surface seen here for 30 hours (Feb. 7-8, 2012) in extreme ultraviolet light. An active region rotating into view provides a bright backdrop to the gyrating streams of plasma. The particles are being pulled this way and that by competing magnetic forces. They are tracking along strands of magnetic field lines. This kind of detailed solar observation with high-resolution frames and a four-minute cadence was not possible until SDO, which launched two years ago on Feb. 11, 2010. So it's our 2nd Anniversary!
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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The Sun blew out a coronal mass ejection along with part of a solar filament over a three-hour period (Feb. 24, 2015). While some of the strands fell back into the Sun, a substantial part raced into space in a bright cloud of particles (as observed by the SOHO spacecraft). The activity was captured in a wavelength of extreme ultraviolet light. Because this occurred way over near the edge of the Sun, it was unlikely to have any effect on Earth.
Download high res/video file: sdo.gsfc.nasa.gov/gallery/potw/item/603
Credit: NASA/Solar Dynamics Observatory
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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The Moon came in between the Solar Dynamics Observatory (SDO) satellite and the Sun (seen here in extreme ultraviolet light) and produced a partial solar eclipse from space. For 1 hour and 41 minutes team SDO observed the lunar transit. This event only happens a few times a year, but it does give the SDO team an opportunity to better understand the AIA instrument on SDO and give it a fine-tuning. The sharp edge of the lunar limb helps researchers measure the in-orbit characteristics of the telescope, e.g., how light diffracts around the telescope's optics and filter support grids. Once these are calibrated, it is possible to correct SDO data for instrumental effects and sharpen the images even more than before.
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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NASA image captured June 5-6, 2012.
On June 5-6 2012, SDO is collecting images of one of the rarest predictable solar events: the transit of Venus across the face of the sun. This event happens in pairs eight years apart that are separated from each other by 105 or 121 years. The last transit was in 2004 and the next will not happen until 2117.
Credit: NASA/SDO, AIA
To read more about the 2012 Venus Transit go to: sunearthday.nasa.gov/transitofvenus
Add your photos of the Transit of Venus to our Flickr Group here: www.flickr.com/groups/venustransit/
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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A single plume of plasma, many times taller than the diameter of Earth, rose up from the Sun, twisted and spun around, all the while spewing streams of particles for over two days (Aug. 17-19, 2015) before breaking apart. At times, its shape resembled the Eiffel Tower. Other lesser plumes and streams of particles can be seen dancing above the solar surface as well. The action was observed in a wavelength of extreme ultraviolet light.
Credit: NASA/Goddard/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Caption: These SDO images from 7:25 p.m. EST on Feb. 24, 2014, show the first moments of an X-class flare in different wavelengths of light -- seen as the bright spot that appears on the left limb of the sun. Hot solar material can be seen hovering above the active region in the sun's atmosphere, the corona.
Credit: NASA/SDO
More info:
The sun emitted a significant solar flare, peaking at 7:49 p.m. EST on Feb. 24, 2014. NASA's Solar Dynamics Observatory, which keeps a constant watch on the sun, captured images of the event.
Solar flares are powerful bursts of radiation, appearing as giant flashes of light in the SDO images. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, however -- when intense enough -- they can disturb the atmosphere in the layer where GPS and communications signals travel.
This flare is classified as an X4.9-class flare. X-class denotes the most intense flares, while the number provides more information about its strength. An X2 is twice as intense as an X1, an X3 is three times as intense, etc.
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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This composition is based on data from two of Solar Dynamics Observatory's instruments captured on August 29, 2013.
The instruments are:
- AIA 171, which looks at light emitted by iron-9 (Fe IX) at around 600,000 Kelvin. This wavelength shows the quiet corona and coronal loops, colorized here in reddish brown. Solar Region: Upper Transition Region/Quiet Corona
- AIA 193, which looks at light emitted by iron-12 (Fe XII) at 1,000,000 K and iron 24 (Fe XXIV) at 20,000,000 Kelvin. The former represents a slightly hotter region of the corona and the later represents the much hotter material of a solar flare. This one is colorized in purple here. Solar Region: Corona/Flare Plasma
Courtesy: NASA SDO and the AIA, EVE and HMI Science Teams
Processed by: Yonas Kidane
NASA image captured June 6, 2012.
On June 5-6 2012, SDO is collecting images of one of the rarest predictable solar events: the transit of Venus across the face of the sun. This event happens in pairs eight years apart that are separated from each other by 105 or 121 years. The last transit was in 2004 and the next will not happen until 2117.
Credit: NASA/SDO, AIA
To read more about the 2012 Venus Transit go to: sunearthday.nasa.gov/transitofvenus
Add your photos of the Transit of Venus to our Flickr Group here: www.flickr.com/groups/venustransit/
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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The inset, taken by the NASA SDO satellite 21 hours before my capture, shows a large flare and other activity on the edge that got my interest.
The Sun popped off an M-Class (moderate level) flare on Sept. 25, 2011 that sent a plume of plasma out above the Sun, but a good portion of it appeared to fall back towards the active region that launched it. The activity in the video clip (here: sdo.gsfc.nasa.gov/gallery/potw.php?v=item&id=69 ), seen in extreme ultraviolet light, covers just 3 hours. With an image every minute, every nuance of graceful motion can be observed in wonderful detail. The bright flash shows the flare itself erupting. Since this event, this active region has been the source of several large flares and many lesser ones that have caused geo-effective storms on Earth as it has rotated around towards facing us.
Credit: NASA/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Image released: April 22, 2013
In the three years since it first provided images of the sun in the spring of 2010, NASA’s Solar Dynamics Observatory has had virtually unbroken coverage of the sun's rise toward solar maximum, the peak of solar activity in its regular 11-year cycle.
This image is a composite of 25 separate images spanning the period of April 16, 2012, to April 15, 2013. It uses the SDO AIA wavelength of 171 angstroms and reveals the zones on the sun where active regions are most common during this part of the solar cycle.
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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On stand at Zurich.
Delivered new to Sabena as OO-SDO on 09Dec75. Sold to European Air Charter as G-CEAJ on 27Nov00. Leased to Palmair European 11Nov04. Leased to Ozjet Airlines 15Nov05. Sold to Ozjet 23Oct06 and reregistered VH-OZX. Ceased ops 20May09. To the USA as N737HL 07Aug09 and stored.
Image of the Moon transiting across the Sun, taken by SDO in 171 angstrom extreme ultraviolet light on August 21, 2017.
Credit: NASA/SDO
Copenhagen Kastrup 1986-04-05
737-229 c/n 21177
Registrations used by this airframe: OO-SDO, G-CEAJ, VH-OZX, N737HL
NASA's Solar Dynamics Observatory (SDO) captured this image of an M9-class flare on Oct 20, 2012 at 2:14 p.m. EDT. This image shows light at a wavelength of 131 Angstroms, which corresponds to material at 10 million Kelvin, and is a good wavelength for observing flares. This wavelength is typically colorized as teal, as shown here.
To read more go to: www.nasa.gov/mission_pages/sunearth/news/News102012-m9fla...
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Spectacular eruption: On June 7, 2011, SDO captured this image as a massive eruption lifted an enormous amount of cool, dark material into the corona. Most of that material fell back onto the sun, where the gravitational energy of the fall caused it to heat up to a million degrees and more. Scientists concluded that this event on the sun was a small-scale version of what happens as stars form and collect gases via gravity. Thus, AIA allowed us to study in detail a phenomenon that cannot be observed so closely anywhere else in the universe.
Credit: NASA/SDO/AIA/LMSAL
Read more: www.nasa.gov/content/goddard/sdo-telescope-collects-its-1...
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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This still SDO image was created by applying additional processing to enhance the structures visible. While there is no scientific value to this processing, it does result in a beautiful, new way of looking at the sun. The original frames are in the 171 Angstrom wavelength of extreme ultraviolet. This wavelength shows plasma in the solar atmosphere, called the corona, that is around 600,000 Kelvin. The loops represent plasma held in place by magnetic fields. They are concentrated in "active regions" where the magnetic fields are the strongest. These active regions usually appear in visible light as sunspots. The events in this video represent 24 hours of activity on September 25, 2011.
To download the full length video (and or more stills) go to: svs.gsfc.nasa.gov/goto?10990
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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NASA image captured Feb. 24, 2011
To see an image showing the size of the prominence in comparison to the size of earth click here.
To view a high res still from this event go here: www.flickr.com/photos/gsfc/5483196119/
When a rather large-sized (M 3.6 class) flare occurred near the edge of the Sun, it blew out a gorgeous, waving mass of erupting plasma that swirled and twisted over a 90-minute period (Feb. 24, 2011). This event was captured in extreme ultraviolet light by NASA's Solar Dynamics Observatory spacecraft . Some of the material blew out into space and other portions fell back to the surface. Because SDO images are super-HD, we can zoom in on the action and still see exquisite details. And using a cadence of a frame taken every 24 seconds, the sense of motion is, by all appearances, seamless. Sit back and enjoy the jaw-dropping solar show.
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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>>> AN SDO (SOLAR DYNAMICS OBSERVATORY) IMAGE MONTAGE OF SUNSPOT AR2661 ROTATING INTO EARTH VIEW AND FIRING OFF A FLARE AT APPROX. 0200 UTC [SPOTTED INITIALLY VIA SOFT X-RAY DATA -- I WATCH A BIT LESS DURING SOLAR MINIMUM, AND THIS IS A RELATIVELY MINOR EVENT, BUT IT'S ONE OF A SERIES...].
[ SDO iMAGES -- AIA 0131, 0304, & 0094 ]
NOTE: THERE'S ANOTHER SOLAR FLARE EVENT IN PROGRESS AS I POST THIS.
PROST.
[ Thank you, NASA/SDO, and the AIA, EVE, and HMI science teams, for the wonderful data/resources.]
The 2025 Royal International Air Tattoo (RIAT25) took place between Friday 18th and Sunday 20th July at RAF Fairford in Gloucestershire. Many coaches and shuttle buses were involved in transporting spectators and crews to the event, one of these was J14 AOT, a Volvo B8R/Plaxton Panther 3 coach new to Andrews, Tideswell, Derbyshire as YX14 SDO in June 2014 and given its current mark in May 2024.
Want to find out more? Join The PSV Circle - Details at www.psvcircle.org.uk
Copyright © P.J. Cook, all rights reserved. It is an offence to copy, use or post this image anywhere else without my permission.
NASA's Solar Dynamics Observatory (SDO) zoomed in almost to its maximum level to watch tight, bright loops and much longer, softer loops shift and sway above an active region on the sun, while a darker blob of plasma in their midst was pulled about every which way (May 13-14, 2014). The video clip covers just over a day beginning at 14:19 UT on May 13. The frames were taken in the 171-angstroms wavelength of extreme ultraviolet light, but colorized red, instead of its usual bronze tone. This type of dynamic activity continues almost non-stop on the sun as opposing magnetic forces tangle with each other.
Credit: NASA/Solar Dynamics Observatory
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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The upper one of a pair of new, solar active regions that just rotated into view of SDO offered a beautiful profile view of cascading loops spiraling above it (Jan. 15-16, 2012) following a solar flare eruption. These loop structures are made of superheated plasma, just one of which is the size of several Earths. With its ability to capture the Sun in amazing detail, SDO observed it all in extreme ultraviolet light.
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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NASA image acquired October 14, 2011
The Solar Dynamics Observatory sends images of the Sun. This image taken by SDO's AIA instrument at 171 Angstrom shows the current conditions of the quiet corona and upper transition region of the Sun.
Credit: NASA/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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NASA image captured Feb. 24, 2011
To see an image showing the size of the prominence in comparison to the size of earth click here.
To view a high res still from this event go here: www.flickr.com/photos/gsfc/5483196119/
When a rather large-sized (M 3.6 class) flare occurred near the edge of the Sun, it blew out a gorgeous, waving mass of erupting plasma that swirled and twisted over a 90-minute period (Feb. 24, 2011). This event was captured in extreme ultraviolet light by NASA's Solar Dynamics Observatory spacecraft . Some of the material blew out into space and other portions fell back to the surface. Because SDO images are super-HD, we can zoom in on the action and still see exquisite details. And using a cadence of a frame taken every 24 seconds, the sense of motion is, by all appearances, seamless. Sit back and enjoy the jaw-dropping solar show.
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 10:30 a.m. EST in 171 and 304 angstrom light. The two wavelengths are blended together.
Credit: NASA/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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[ Momentum Management Maneuver 3.26.14b ]
[ "... at 1840 UTC SDO execute(d) a momentum management maneuver. For about 45 minutes from 1815 to 1900 UTC SDO data may (have been) unavailable." Here are some extraordinary images that were. Prost. ]
[ Thank you, NASA/SDO, and the AIA, EVE, and HMI science teams -- and spaceweather[dot]com -- for the wonderful data/resources. ]
The Fall 2011 eclipse season started on September 11. Here is an AIA 171 image from 0657 UT with the first eclipse! SDO has eclipse seasons twice a year near each equinox. For three weeks near midnight Las Cruces time (about 0700 UT) our orbit has the Earth pass between SDO and the Sun. These eclipses can last up to 72 minutes in the middle of an eclipse season. The current eclipse season started on September 11 and lasts until October 4.
To read more about SDO go to: sdo.gsfc.nasa.gov/
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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NASA image captured June 5, 2012.
On June 5-6 2012, SDO is collecting images of one of the rarest predictable solar events: the transit of Venus across the face of the sun. This event happens in pairs eight years apart that are separated from each other by 105 or 121 years. The last transit was in 2004 and the next will not happen until 2117.
Credit: NASA/SDO, AIA
To read more about the 2012 Venus Transit go to: sunearthday.nasa.gov/transitofvenus
Add your photos of the Transit of Venus to our Flickr Group here: www.flickr.com/groups/venustransit/
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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NASA image captured March 29, 2011
Twice a year, SDO enters an eclipse season where the spacecraft slips behind Earth for up to 72 minutes a day. Unlike the crisp shadow one sees on the sun during a lunar eclipse, Earth's shadow has a variegated edge due to its atmosphere, which blocks the sun light to different degrees depending on its density. Also, light from brighter spots on the sun may make it through, which is why some solar features extend low into Earth's shadow.
Credit: NASA/GSFC/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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The SDO decker 313. But because it was so soon after SD bus of the route, it appeared it was empty! What a loss! Also sad I couldn't get it :( Luckily DDs randomly do normal 313 on weekends sometimes.
NASA's Solar Dynamics Observatory captured this image of the moon crossing in front of its view of the sun on Jan. 30, 2014, at 9:00 a.m. EST.
--
On Jan 30, 2014, beginning at 8:31 a.m EST, the moon moved between NASA’s Solar Dynamics Observatory, or SDO, and the sun, giving the observatory a view of a partial solar eclipse from space. Such a lunar transit happens two to three times each year. This one lasted two and one half hours, which is the longest ever recorded. When the next one will occur is as of yet unknown due to planned adjustments in SDO's orbit.
Note in the picture how crisp the horizon is on the moon, a reflection of the fact that the moon has no atmosphere around it to distort the light from the sun.
Credit: NASA/Goddard/SDO
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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NASA image captured June 5, 2012.
On June 5-6 2012, SDO is collecting images of one of the rarest predictable solar events: the transit of Venus across the face of the sun. This event happens in pairs eight years apart that are separated from each other by 105 or 121 years. The last transit was in 2004 and the next will not happen until 2117.
Credit: NASA/SDO, AIA
To read more about the 2012 Venus Transit go to: sunearthday.nasa.gov/transitofvenus
Add your photos of the Transit of Venus to our Flickr Group here: www.flickr.com/groups/venustransit/
NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.
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Side-by-Side comparison of NASA's SDO and my camera at roughly the same time.
Notice the position of the prominences.
This image shows a comparison between the Earth and the Sun. The Sun is about 109 times the size of the Earth.
This rough comparison shows the size of an eruption on June 13, 2023.
In this image, the northern hemisphere is up and the southern hemisphere down.
This image is in false colors. Combination with AIA335, AIA304 and AIA171
Observed by SDO on June 13, 2023 at a wavelength of 304 A, 335 A and 171 A.
The wavelength is ultraviolet for the sun. Earth is in visible light.
Sun credit : NASA/SDO and the AIA, EVE, and HMI science teams.
Earth credit : JAXA/ISAS/PSI/Thomas Thomopoulos
Edition, choice of filter combination, composition with Earth and post process : Thomas Thomopoulos
Visualisation and process of SDO image with Jhelioviewer
Already over a month ago we could enjoy the Mercury transit over the Sun. Yesterday I looked into the SDO satellite data archive to look at some images of the transit (which are great) and decided to use one of the images which was taken almost at the same time as my own image of the second contact, to blend them together and get even more detail in the active regions. Combining them resulted, in my opinion, in a very pleasing image of Mercury shifting in front of the solar disk. I hope you like it!
[ NASA SDO images ]
"On Friday August 29, 2014 the Fall 2014 eclipse season begins. Each day until September 21 the Earth will pass through the SDO telescopes' fields of view. These are opportunities to see the absorption of the solar extreme ultraviolet by the Earth's atmosphere, showing how high the atmosphere goes. "
Thank you NASA/SDO, and the AIA, EVE, and HMI science teams, for the wonderful data/resources.
NASA’s extensive fleet of spacecraft allows scientists to study the Sun extremely close-up – one of the agency’s spacecraft is even on its way to fly through the Sun’s outer atmosphere. But sometimes taking a step back can provide new insight.
In a new study, scientists looked at sunspots – darkened patches on the Sun caused by its magnetic field – at low resolution as if they were trillions of miles away. What resulted was a simulated view of distant stars, which can help us understand stellar activity and the conditions for life on planets orbiting other stars.
Here, scientists created light curves using the high-resolution images of the Sun to understand what a sunspot would look like on a distant star. They studied different layers of the Sun from the visible surface to the outer atmosphere using 14 different wavelengths, including the six shown here (top left to right: photosphere, magnetic flux of the photosphere, ultraviolet 304 angstroms; bottom left to right: ultraviolet 171 angstroms, ultraviolet 131 angstroms, x-ray).
Image credit: NASA/SDO/JAXA/NAOJ/Hinode
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