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Commuter train bound to Lahti is leaving from Helsinki central railway station. Slowly, it is accelerating and advancing to the outside world to speed along the tracks in a beutyfull summer weather.
A commuter train from Lahti arrives at Pasila railway station where some of the people will leave to stay in the capital of Finland, where the sun is shining at its best. By bringing all to the capital, the Sm4s have an important purpose as long-distance commuter trains.
Triple set of Sm2 commuter trains 6287+6279+6290 working as HL9849, an Helsinki to Kouvola rush-hour commuter service. Starting from 2026, old Sm2 commuter trains will be phased out and replaced with Sm4 and new Sm7 trains
Henna, Finland
Nikon D700 + Nikkor 28mm f2.8 AI-S
This image shows the spiral galaxy NGC 5037, in the constellation of Virgo. First documented by William Herschel in 1785, the galaxy lies about 150 million light-years away from Earth. Despite this distance, we can see the delicate structures of gas and dust within the galaxy in extraordinary detail. This detail is possible using Hubble’s Wide Field Camera 3 (WFC3), whose combined exposures created this image.
WFC3 is a very versatile camera, as it can collect ultraviolet, visible, and infrared light, thereby providing a wealth of information about the objects it observes. WFC3 was installed on Hubble by astronauts in 2009, during Servicing Mission 4 (SM4). SM4 was Hubble’s final space shuttle servicing mission, expected to prolong Hubble’s life for at least another five years. Twelve years later, both Hubble and WFC3 remain very active and scientifically productive.
Image credit: ESA/Hubble & NASA, D. Rosario; Acknowledgment: L. Shatz
This image shows the spiral galaxy NGC 5037, in the constellation of Virgo. First documented by William Herschel in 1785, the galaxy lies about 150 million light-years away from Earth. Despite this distance, we can see the delicate structures of gas and dust within the galaxy in extraordinary detail. This detail is possible using Hubble’s Wide Field Camera 3 (WFC3), whose combined exposures created this image.
WFC3 is a very versatile camera, as it can collect ultraviolet, visible, and infrared light, thereby providing a wealth of information about the objects it observes. WFC3 was installed on Hubble by astronauts in 2009, during Servicing Mission 4 (SM4). SM4 was Hubble’s final Space Shuttle servicing mission, expected to prolong Hubble’s life for at least another five years. Twelve years later, both Hubble and WFC3 remain very active and scientifically productive.
Text credit: European Space Agency (ESA)
Image credit: ESA/Hubble & NASA, D. Rosario; Acknowledgment: L. Shatz
For more information: www.nasa.gov/image-feature/goddard/2021/hubble-captures-a...
A Z-commuter train from Helsinki Central Station to Lahti left the station with beautiful light trails.
FLIRT Sm5 22 stopping at Rekola station with service HL9119 Helsinki to Kerava, while Sm4 6409+6419 double set passes on fast track working HL9651 Helsinki to Riihimäki
Vantaa, Finland
Nikon D700 + DC-Nikkor 135mm f2.0
In celebration of the 25th anniversary of NASA's first space servicing mission to the Hubble Space Telescope, we are sharing this gallery of images from all five of the Hubble servicing missions.
Astronauts serviced Hubble for the first time in December 1993. Including that trip, there have been five astronaut servicing missions to Hubble between 1993 and 2009.
How did astronauts repair and service the Hubble Space Telescope more than 300 miles above the surface of the Earth? Watch Hubble astronauts as they discuss servicing from the innovative Robotics Operations Center: bit.ly/2EiiNTP
S125-E-007853 (16 May 2009) --- Astronaut Andrew Feustel, STS-125 mission specialist, navigates near the Hubble Space Telescope on the end of the remote manipulator system arm, controlled from inside Atlantis' crew cabin. Astronaut John Grunsfeld signals to his crewmate from just a few feet away. Astronauts Feustel and Grunsfeld were continuing servicing work on the giant observatory, locked down in the cargo bay of the shuttle.
Credit: NASA
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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1× K3 rifle
1× Solid shield
1× Jetpack
1× SSR
Total black color scheme. I took inspiration from the Armored Core videogame serie.
In celebration of the 25th anniversary of NASA's first space servicing mission to the Hubble Space Telescope, we are sharing this gallery of images from all five of the Hubble servicing missions.
Astronauts serviced Hubble for the first time in December 1993. Including that trip, there have been five astronaut servicing missions to Hubble between 1993 and 2009.
How did astronauts repair and service the Hubble Space Telescope more than 300 miles above the surface of the Earth? Watch Hubble astronauts as they discuss servicing from the innovative Robotics Operations Center: bit.ly/2EiiNTP
S125-E-007174 (14 May 2009) --- Perched on the end of the Canadian-built remote manipulator system, astronaut Andrew Feustel, mission specialist, performs work on the Hubble Space Telescope as the first of five STS-125 spacewalks kicks off a week's work on the orbiting observatory. Feustel, teamed with astronaut John Grunsfeld (out of frame), will join the veteran spacewalker on two of the remaining four sessions of extravehicular activity later in the mission.
Credit: NASA
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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In celebration of the 25th anniversary of NASA's first space servicing mission to the Hubble Space Telescope, we are sharing this gallery of images from all five of the Hubble servicing missions.
Astronauts serviced Hubble for the first time in December 1993. Including that trip, there have been five astronaut servicing missions to Hubble between 1993 and 2009.
How did astronauts repair and service the Hubble Space Telescope more than 300 miles above the surface of the Earth? Watch Hubble astronauts as they discuss servicing from the innovative Robotics Operations Center: bit.ly/2EiiNTP
S125-E-007582 (15 May 2009) --- Astronaut Michael Good, STS-125 mission specialist, is photographed from an aft flight deck window on the Space Shuttle Atlantis during the mission's second session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. The photograph also captures a reflection of Mission Specialist Megan McArthur.
Credit: NASA
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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NGC 6302
Butterfly Emerges from Stellar Demise in Planetary Nebula NGC 6302
This celestial object looks like a delicate butterfly. But it is far from serene. What resemble dainty butterfly wings are actually roiling cauldrons of gas heated to more than 36,000 degrees Fahrenheit. The gas is tearing across space at more than 600,000 miles an hour -- fast enough to travel from Earth to the moon in 24 minutes!
A dying star that was once about five times the mass of the Sun is at the center of this fury. It has ejected its envelope of gases and is now unleashing a stream of ultraviolet radiation that is making the cast-off material glow. This object is an example of a planetary nebula, so-named because many of them have a round appearance resembling that of a planet when viewed through a small telescope.
The Wide Field Camera 3 (WFC3), a new camera aboard NASA’s Hubble Space Telescope, snapped this image of the planetary nebula, catalogued as NGC 6302, but more popularly called the Bug Nebula or the Butterfly Nebula. WFC3 was installed by NASA astronauts in May 2009, during the servicing mission to upgrade and repair the 19-year-old Hubble telescope.
NGC 6302 lies within our Milky Way galaxy, roughly 3,800 light-years away in the constellation Scorpius. The glowing gas is the star’s outer layers, expelled over about 2,200 years. The "butterfly" stretches for more than two light-years, which is about half the distance from the Sun to the nearest star, Alpha Centauri.
The central star itself cannot be seen, because it is hidden within a doughnut-shaped ring of dust, which appears as a dark band pinching the nebula in the center. The thick dust belt constricts the star’s outflow, creating the classic "bipolar" or hourglass shape displayed by some planetary nebulae.
The star’s surface temperature is estimated to be about 400,000 degrees Fahrenheit, making it one of the hottest known stars in our galaxy. Spectroscopic observations made with ground-based telescopes show that the gas is roughly 36,000 degrees Fahrenheit, which is unusually hot compared to a typical planetary nebulae.
The WFC3 image reveals a complex history of ejections from the star. The star first evolved into a huge red-giant star, with a diameter of about 1,000 times that of our Sun. It then lost its extended outer layers. Some of this gas was cast off from its equator at a relatively slow speed, perhaps as low as 20,000 miles an hour, creating the doughnut-shaped ring. Other gas was ejected perpendicular to the ring at higher speeds, producing the elongated "wings" of the butterfly-shaped structure. Later, as the central star heated up, a much faster stellar wind, a stream of charged particles travelling at more than 2 million miles an hour, plowed through the existing wing-shaped structure, further modifying its shape.
The image also shows numerous finger-like projections pointing back to the star, which may mark denser blobs in the outflow that have resisted the pressure from the stellar wind.
The nebula's outer edges are largely due to light emitted by nitrogen, which marks the coolest gas visible in the picture. WFC3 is equipped with a wide variety of filters that isolate light emitted by various chemical elements, allowing astronomers to infer properties of the nebular gas, such as its temperature, density, and composition.
The white-colored regions are areas where light is emitted by sulfur. These are regions where fast-moving gas overtakes and collides with slow-moving gas that left the star at an earlier time, producing shock waves in the gas (the bright white edges on the sides facing the central star). The white blob with the crisp edge at upper right is an example of one of those shock waves.
NGC 6302 was imaged on July 27, 2009 with Hubble’s Wide Field Camera 3 in ultraviolet and visible light. Filters that isolate emissions from oxygen, helium, hydrogen, nitrogen, and sulfur from the planetary nebula were used to create this composite image.
These Hubble observations of the planetary nebula NGC 6302 are part of the Hubble Servicing Mission 4 Early Release Observations.
Credit: NASA, ESA, and the Hubble SM4 ERO Team
NASA Goddard Space Flight Center is home to the nation's largest organization of combined scientists, engineers and technologists that build spacecraft, instruments and new technology to study the Earth, the sun, our solar system, and the universe.
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In celebration of the 25th anniversary of NASA's first space servicing mission to the Hubble Space Telescope, we are sharing this gallery of images from all five of the Hubble servicing missions.
Astronauts serviced Hubble for the first time in December 1993. Including that trip, there have been five astronaut servicing missions to Hubble between 1993 and 2009.
How did astronauts repair and service the Hubble Space Telescope more than 300 miles above the surface of the Earth? Watch Hubble astronauts as they discuss servicing from the innovative Robotics Operations Center: bit.ly/2EiiNTP
S125-E-007537 (15 May 2009) --- Astronaut Mike Massimino works with the Hubble Space Telescope in the cargo bay of the Earth-orbiting Space Shuttle Atlantis. Astronauts Massimino and Michael Good (out of frame) participated in the second session of STS-125 extravehicular activity -- as part of a five-day beehive-like agenda of spacewalking and work on the giant orbital observatory.
Credit: NASA
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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