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From northern Patagonia, morning skies were clear and blue on Sunday, February 26. This sweeping composite scene, overlooking Hermoso Valle, Facundo, Chubut, Argentina, follows the Sun after sunrise, capturing an annular solar eclipse. Created from a series of exposures at three minute intervals, it shows the year's first solar eclipse beginning well above the distant eastern horizon. An exposure close to mid-eclipse recorded the expected ring of fire, the silhouette of the New Moon only slightly too small to cover the bright Sun. At that location on planet Earth, the annular phase of the eclipse lasted a brief 45 seconds. via NASA ift.tt/2lwEkdM
NASA's mission is to pioneer the future in space exploration, scientific discovery and aeronautics research. To do that, thousands of people have been working around the world -- and off of it -- for almost 50 years, trying to answer some basic questions. What's out there in space? How do we get there? What will we find? What can we learn there, or learn just by trying to get there, that will make life better here on Earth?
NASA’s Parker Solar Probe has cleared the final procedures in the clean room before its move to the launch pad. via NASA July 31, 2018
NASA Shuttle Bus- April 30th, 2014- Wing Section.
We live right outside of NASA here in Houston, They retired the 747 used to ferry the Space Shuttles after their flights. They retired the Jumbo Bus and hauled it in pieces to its final resting spot at the Space Museum on the NASA Grounds. They had to move all the pieces at night and it came right by my neighborhood last night! What an event They had everything shut down! It as quite a sight. It was stopped here for 30 minutes while utility companies moved overhead wires at an upcoming intersection, making for a great photo-op!
for the full story... go to www.chron.com/default/article/Clear-Lake-highway-set-to-c...
A NASA camera on the Deep Space Climate Observatory satellite has returned its first view of the entire sunlit side of Earth from one million miles away. via NASA 1.usa.gov/1fYo3fj
This illustration depicts NASA's Mars 2020 rover on the surface of Mars. The mission, targeted for launch in July/August 2020, takes the next step by not only seeking signs of habitable conditions on Mars in the ancient past, but also searching for signs of past microbial life itself. via NASA ift.tt/2q7Qktb
Taking part in the Oracles 2016 project in Walvis Bay, Namibia
ORACLES – Walvis Bay, 2016
Southern Africa produces almost a third of the Earth’s biomass burning (BB) aerosol particles, yet the fate of these particles and their influence on regional and global climate is poorly understood. ORACLES (ObseRvations of Aerosols above CLouds and their intEractionS) was a five year investigation with three Intensive Observation Periods (IOP) designed to study key processes that determine the climate impacts of African BB aerosols. Particles lofted into the mid-troposphere are transported westward over the SE Atlantic, home to one of the three permanent subtropical Stratocumulus (Sc) cloud decks in the world. The stratocumulus “climate radiators” are critical to the regional and global climate system.
During August to September 2016, NASA flew an ER-2 out of Walvis Bay with a series of imaging instruments along with a P-3, which conducted in situ observations over the South Atlantic and associated clouds. The single seater ER-2 flew across the Atlantic from Recife Brazil.
All Photos: Courtesy of Frank Eckardt
Cosmic dust clouds ripple across this infrared portrait of our Milky Way's satellite galaxy, the Large Magellanic Cloud. In fact, the remarkable composite image from the Herschel Space Observatory and the Spitzer Space Telescope show that dust clouds fill this neighboring dwarf galaxy, much like dust along the plane of the Milky Way itself. The dust temperatures tend to trace star forming activity. Spitzer data in blue hues indicate warm dust heated by young stars. Herschel's instruments contributed the image data shown in red and green, revealing dust emission from cooler and intermediate regions where star formation is just beginning or has stopped. Dominated by dust emission, the Large Magellanic Cloud's infrared appearance is different from views in optical images. But this galaxy's well-known Tarantula Nebula still stands out, easily seen here as the brightest region to the left of center. A mere 160,000 light-years distant, the Large Cloud of Magellan is about 30,000 light-years across. via NASA ift.tt/1SQ3gtN
NASA astronaut Ricky Arnold captured this clear view of Mount Rainier National Park as the International Space Station orbited above, sharing the image with his followers on April 25 to celebrate National Park Week. via NASA April 25, 2018
Taking part in the 2023 Bioscape project in the Western Cape, South Africa.
BIOSCAPE – Cape Town, 2022
BioSCape was a research project that used remote sensing and field data to understand the distribution, function, and importance of biodiversity on land and in the water in the Greater Cape Floristic Region (GCFR), one of the world’s 36 biodiversity hotspots.
During October 2022, NASA flew 2 Gulfstream aircraft with imaging instruments over the Western Cape.
All Photos: Courtesy of Frank Eckardt
NASA Helicopter N418NA does a flyby of the A. Max Brewer Memorial Parkway area after the launch of Atlantis.
Four NASA suborbital sounding rockets leapt into the night on January 26, from the University of Alaska's Poker Flat Research Range. This time lapse composite image follows all four launches of the small, multi-stage rockets to explore winter's mesmerizing, aurora-filled skies. During the exposures, stars trailed around the North Celestial Pole, high above the horizon at the site 30 miles north of Fairbanks, Alaska. Lidar, beams of pulsed green lasers, also left traces through the scene. Operating successfully, the payloads lofted were two Mesosphere-Lower Thermosphere Turbulence Experiments (M-TeX) and two Mesospheric Inversion-layer Stratified Turbulence (MIST) experiments, creating vapor trails at high altitudes to be tracked by ground-based observations. via NASA ift.tt/1LoEhJN
Ever stared down the gaping eye of a category 4 hurricane? It's chilling, even from space. via NASA September 12, 2018
Boeing Field
King County International Airport
June 30th, 2012
1st of 3 Supper Guppy Flights with major sections NASA's Shuttle Trainer arrives at Boeing Field
pugetexposure.blogspot.com/2012/06/nasa-space-shuttle-tra...
There is no sea on Earth large enough to contain the Shark nebula. This predator apparition poses us no danger, though, as it is composed only of interstellar gas and dust. Dark dust like that featured here is somewhat like cigarette smoke and created in the cool atmospheres of giant stars. After being expelled with gas and gravitationally recondensing, massive stars may carve intricate structures into their birth cloud using their high energy light and fast stellar winds as sculpting tools. The heat they generate evaporates the murky molecular cloud as well as causing ambient hydrogen gas to disperse and glow red. During disintegration, we humans can enjoy imagining these great clouds as common icons, like we do for water clouds on Earth. Including smaller dust nebulae such as Lynds Dark Nebula 1235 and Van den Bergh 149 & 150, the Shark nebula spans about 15 light years and lies about 650 light years away toward the constellation of the King of Aethiopia (Cepheus). via NASA 1.usa.gov/1M7midg
This NASA/ESA Hubble Space Telescope image shows Messier 96, a spiral galaxy just over 35 million light-years away in the constellation of Leo (The Lion). It is the nearest group containing both bright spirals and a bright elliptical galaxy (Messier 105). via NASA ift.tt/1i0WuDh
NASA astronauts Shannon Walker, left, Victor Glover, second from left, Mike Hopkins, second from right, and Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi, right, are seen as they speak to members of the media after arriving at the Launch and Landing Facility at NASA’s Kennedy Space Center ahead of SpaceX’s Crew-1 mission. via NASA November 09, 2020
Simulation frames from this NASA Goddard neutron star merger animation: bit.ly/1jolBYY
Credit: NASA's Goddard Space Flight Center
This supercomputer simulation shows one of the most violent events in the universe: a pair of neutron stars colliding, merging and forming a black hole. A neutron star is the compressed core left behind when a star born with between eight and 30 times the sun's mass explodes as a supernova. Neutron stars pack about 1.5 times the mass of the sun — equivalent to about half a million Earths — into a ball just 12 miles (20 km) across.
As the simulation begins, we view an unequally matched pair of neutron stars weighing 1.4 and 1.7 solar masses. They are separated by only about 11 miles, slightly less distance than their own diameters. Redder colors show regions of progressively lower density.
As the stars spiral toward each other, intense tides begin to deform them, possibly cracking their crusts. Neutron stars possess incredible density, but their surfaces are comparatively thin, with densities about a million times greater than gold. Their interiors crush matter to a much greater degree densities rise by 100 million times in their centers. To begin to imagine such mind-boggling densities, consider that a cubic centimeter of neutron star matter outweighs Mount Everest.
By 7 milliseconds, tidal forces overwhelm and shatter the lesser star. Its superdense contents erupt into the system and curl a spiral arm of incredibly hot material. At 13 milliseconds, the more massive star has accumulated too much mass to support it against gravity and collapses, and a new black hole is born. The black hole's event horizon — its point of no return — is shown by the gray sphere. While most of the matter from both neutron stars will fall into the black hole, some of the less dense, faster moving matter manages to orbit around it, quickly forming a large and rapidly rotating torus. This torus extends for about 124 miles (200 km) and contains the equivalent of 1/5th the mass of our sun.
Scientists think neutron star mergers like this produce short gamma-ray bursts (GRBs). Short GRBs last less than two seconds yet unleash as much energy as all the stars in our galaxy produce over one year.
The rapidly fading afterglow of these explosions presents a challenge to astronomers. A key element in understanding GRBs is getting instruments on large ground-based telescopes to capture afterglows as soon as possible after the burst. The rapid notification and accurate positions provided by NASA's Swift mission creates a vibrant synergy with ground-based observatories that has led to dramatically improved understanding of GRBs, especially for short bursts.
This video is public domain and can be downloaded at: svs.gsfc.nasa.gov/vis/a010000/a011500/a011530/index.html
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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