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Our Moon in all its glory is seen in this image captured by European Space Agenc
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Our Moon in all its glory is seen in this image captured by European Space Agency (@europeanspaceagency) astronaut Alexander Gerst (@Astro_Alex_esa) from the vantage point of the International Space Station (@iss). He posted it to social media saying, “Personality check: [does this photo] make you want to stay at home, or check out what's back there behind the horizon?” Currently, six humans are living and working on the space station, which orbits our planet from 250 miles above at 17,500 mph. While onboard, they conduct important science and research that not only benefits life here on Earth, but will help send humans deeper into the solar system than ever before. Credit: @Astro_Alex_ESA#nasa#space#SpaceStation#International#Moon#Earth#Horizon#beautiful#PictureOfTheDay#orbit#ESA#Astronaut#research#science#photography
18.08.2018 22:17:31
These dots of color make up one of the most comprehensive portraits yet of the u
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These dots of color make up one of the most comprehensive portraits yet of the universe’s evolutionary history. This mosaic, captured with the ultraviolet vision of our Hubble Space Telescope (@NASAHubble), features approximately 15,000 galaxies, about 12,000 of which are star-forming – widely distributed in time and space. Hubble’s ultraviolet vision opens a new window on the evolving universe, tracking the birth of stars over the last 11 billion years back to the cosmos’ busiest star-forming period, which happened about 3 billion years after the big bang. Because Earth’s atmosphere filters most ultraviolet light, Hubble can provide some of the most sensitive space-based ultraviolet observations possible. Ultraviolet light has been the missing piece to the cosmic puzzle. Now, combined with infrared and visible-light data from Hubble and other space and ground-based telescopes, astronomers have assembled one of the most comprehensive portraits yet of the universe’s evolutionary history. Credit: NASA, ESA, P. Oesch (University of Geneva), and M. Montes (University of New South Wales) #nasa#space#hubble#spothubble#telescope#galaxy#stars#forming#universe#solarsystem#planets#astronomers#bigbang#earth#ultraviolet#science#portrait#mosaic
17.08.2018 19:03:02
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Ever wondered what auroras look like from space? Astronaut Alexander Gerst (@Ast
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Ever wondered what auroras look like from space? Astronaut Alexander Gerst (@Astro_Alex_ESA) gives us his space-based view from aboard the International Space Station (@ISS), tweeting that the experience is "[m]ind-blowing, every single time." The dancing lights of the auroras provide spectacular views on the ground and from space, but also capture the imagination of scientists who study incoming energy and particles from the Sun. Auroras are one effect of such energetic particles, which can speed out from the sun both in a steady stream called the solar wind and due to giant eruptions known as coronal mass ejections. After a trip toward Earth that can last 2 or 3 days, the solar particles and magnetic fields cause the release of particles already trapped near Earth, which in turn trigger reactions in the upper atmosphere in which oxygen and nitrogen molecules release photons of light. The result: the Northern and Southern lights. Image Credit: @europeanspaceagency/NASA-A.Gerst #NASA#space#aurora#science#northernlights#southernlights#spacestation#iss#earth#picoftheday#pictureoftheday
16.08.2018 01:36:03
Behold - a swirling mystery! 
During its 12th close flyby of Jupiter, our @NASAJ
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Behold - a swirling mystery! During its 12th close flyby of Jupiter, our @NASAJuno spacecraft captured this close-up view of the gas giant planet’s tapestry of vivid colors and swirling atmospheric vortices. This image captures the easternmost edge of Jupiter’s Great Red Spot and surrounding south tropical disturbance. Many aspects of the planet’s atmosphere are still a mystery. For example, the origin of individual storms or churning cloud features is unknown. By studying Jupiter’s weather up close for the first time, our Juno spacecraft is helping researchers better understand how atmospheres work in general – including our own. What we learn about Jupiter’s atmosphere will also help scientists understand how gas-giant planets work in general, including those now being discovered beyond our solar system. Since 2016 Juno has been penetrating Jupiter’s deep, colorful zones and belts in a quest to answer fundamental questions about the gas giant planet's origin and evolution. Credit: NASA/JPL-Caltech/SwRI/MSSS/Brian Swift/Kevin M. Gill #nasa#space#juno#jupiter#gasgiant#planet#clouds#swirling#pattern#solarsystem#science#spacecraft#pictureoftheday#astronomy#jetstream#jet#stream
14.08.2018 21:09:22
Wow! Our Hubble Space Telescope (@NASAHubble) looked toward the constellation of
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Wow! Our Hubble Space Telescope (@NASAHubble) looked toward the constellation of the Swordfish (Dorado) and captured this stunning celestial image. Nestled within the Large Magellanic Cloud, this globular cluster – a tightly bound group of stars – features a ruby-red spot that is actually a carbon star. Carbon stars are almost always cool red giants, with atmospheres containing more carbon that oxygen, which is the opposite of our Sun. Carbon monoxide forms in the outer layer of the star through a combination of these elements, until there is no more oxygen available. Carbon atoms are then free to form a variety of other carbon compounds, which scatter blue light within the star, allowing red light to pass through undisturbed. Credit: ESA/Hubble & NASA #nasa#space#hubble#spothubble#spacetelescope#telescope#cluster#star#galaxy#universe#solarsystem#red#ruby#swordfish#largemagellaniccloud#herschel#science#carbon#sun#elements
13.08.2018 22:01:02
3-2-1… and we have liftoff of Parker Solar Probe atop United Launch Alliance’s D
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3-2-1… and we have liftoff of Parker Solar Probe atop United Launch Alliance’s Delta IV Heavy rocket 🚀. The probe is headed toward the Sun with a whopping 55 times more energy than is required to reach Mars. About the size of a small car, it weighs a mere 1,400 pounds. Zooming through space in a highly elliptical orbit, Parker Solar Probe will reach speeds up to 430,000 miles per hour — fast enough to get from Philadelphia to Washington, D.C., in a second — setting the record for the fastest spacecraft in history. During its nominal mission lifetime of just under 7 years, Parker Solar Probe will complete 24 orbits of the Sun — reaching within 3.8 million miles of the Sun’s surface at closest approach. We’ll be going where no spacecraft has dared go before — within the corona of a star. With each orbit, we’ll be seeing new regions of the Sun’s atmosphere and learning things about stellar mechanics that we’ve wanted to explore for decades. Credit: NASA/Bill Ingalls #NASA#space#Parker#ParkerSolarProbe#SolarProbe#Solar#Sun#spacecraft#launch#liftoff#ULA#rocket#DeltaIV#science#heliophysics#orbit#probe#corona
12.08.2018 08:28:12
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‘Twas the night before launch... Before calling it a night, set an alarm so that
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‘Twas the night before launch... Before calling it a night, set an alarm so that you won’t miss the 3:33 a.m. EDT launch of our first-ever mission to “touch” the Sun. Our Parker #SolarProbe spacecraft, about the size of a small car, will launch aboard a United Launch Alliance Delta IV Heavy rocket from Space Launch Complex 37 on Florida’s Cape Canaveral Air Force Station. The spacecraft will fly directly into the Sun’s atmosphere where, from a distance of – at the closest approach — approximately 4 million miles from its surface, the spacecraft will trace how energy and heat move through the Sun’s atmosphere and explore what accelerates the solar wind and solar energetic particles. NASA TV launch coverage will begin at 3 a.m. EDT on air and streaming at https://www.nasa.gov/live. Image credit: Bill Ingalls #nasa#solarprobe#sun#launch#rocketlaunch#science#kennedyspacecenter#solarsystem#planets#space#planetary#outerspace
11.08.2018 01:42:22
Ready for liftoff! The Parker #SolarProbe, our mission to touch the Sun, will ha
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Ready for liftoff! The Parker #SolarProbe, our mission to touch the Sun, will have its first opportunity to lift off on Saturday, Aug. 11, at 3:33 a.m. EDT. Launching from Cape Canaveral Air Force Station in Florida, Parker Solar Probe will make its journey all the way to the Sun’s atmosphere, or corona — closer to the Sun than any spacecraft in history. Nestled atop a United Launch Alliance (@ulalaunch) Delta IV Heavy — one of the world’s most powerful rockets — with a third stage added, Parker will blast off toward the Sun with a whopping 55 times more energy than is required to reach Mars. About the size of a small car, it weighs a mere 1,400 pounds. Zooming through space in a highly elliptical orbit, the probe will reach speeds up to 430,000 miles per hour — fast enough to get from Philadelphia to Washington, D.C., in a second — setting the record for the fastest spacecraft in history. During its nominal mission lifetime of just under 7 years, Parker Solar Probe will complete 24 orbits of the Sun — reaching within 3.8 million miles of the Sun’s surface at closest approach. Seen here is the rocket payload fairing at Launch Complex 37. Image Credit: NASA/Bill Ingalls #nasa#parker#parkersolarprobe#solarprobe#sun#mission#rocket#satellite#space#science#picoftheday#pictureoftheday
09.08.2018 21:58:02
From his vantage point on the International Space Station (@ISS), 250 miles abov
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From his vantage point on the International Space Station (@ISS), 250 miles above Earth, astronaut Ricky Arnold (@astro_ricky) shared this image of Hurricane Hector on Aug. 8 saying "#HurricaneHector continues to strengthen as it moves closer to #Hawaii." For information on making preparations for Hector, visit the FEMA website at: http://ready.gov/hurricanes Six people are currently living and working on this microgravity laboratory that orbits our planet at 17,500 miles per hour. They are conducting research that will not only help us venture farther into our solar system, but also directly benefits life here on Earth. Credit: NASA #nasa#space#hurricane#spacestation#hurricanehector#hector#storm#rain#wind#clouds#astronaut#earthviews#storms
08.08.2018 21:43:02
The Columbia Glacier in Alaska descends from an ice field 10,000 feet above sea
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The Columbia Glacier in Alaska descends from an ice field 10,000 feet above sea level, down the flanks of the Chugach Mountains, and into a narrow inlet. It is one of the most rapidly changing glaciers in the world and our Earth observing satellites have been tracking its shifting form for over 30 years. False-color images show how the glacier and the surrounding landscape has changed since 1986. The Landsat images combine shortwave-infrared, near-infrared and green portions of the electromagnetic spectrum. With this combination of wavelengths, snow and ice appears bright cyan, vegetation is green, clouds are white or light orange, and open water is dark blue. Exposed bedrock is brown, while rocky debris on the glacier’s surface is gray. Credit: NASA/USGS/Landsat/Jesse Allen and Robert Simmon #nasa#space#earth#landsat#satellite#earthscience#science#glacier#decades#change#columbiaglacier#alaska#snow#ice#melt#inlet#infrared
07.08.2018 22:03:01
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Smoke from 250 miles above. These images of the Carr and Ferguson fires in Calif
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Smoke from 250 miles above. These images of the Carr and Ferguson fires in California were captured from the vantage point of European Space Agency (@europeanspaceagency) astronaut Alexander Gerst (@Astro_Alex_ESA) and NASA astronaut Ricky Arnold (@Astro_Ricky) from the International Space Station (@ISS). Over 4,300 personnel are working to battle the fires in California. Satellite data and emergency response tools enabled by space technology are helping first responders in the field. From a satellite instrument that can provide better estimates of the amounts of particles fires release into the air to tracking fires all over the planet, data gathered in space can have a real impact to saving lives here on Earth. Credit: @Astro_Alex_ESA | @Astro_Ricky#nasa#space#earth#fire#forestfire#esa#astronaut#spacestation#carr#ferguson#california#smoke#science#satellite#earth
06.08.2018 21:50:00
On its 14th flyby of Jupiter, our Juno spacecraft (@NASAJuno) caught this striki
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On its 14th flyby of Jupiter, our Juno spacecraft (@NASAJuno) caught this striking view of the gas giant planet. Like our home planet, Jupiter has cyclones and anticyclones, along with fast-moving jet streams that circle its globe. This image taken on July 16 captures a jet stream located on the far right of the image. It is next to an anticyclonic white oval that is the brighter circular feature in the top right corner. The North Little Red Spot is also visible in this view. Since 2016, Juno has been penetrating Jupiter’s deep, colorful zones and belts in a quest to learn more about the planet's origins, structure, atmosphere and magnetosphere. Credit: NASA/JPL-Caltech/SwRI/MSSS/Brian Swift/Seán Doran #nasa#space#juno#jupiter#gasgiant#planet#clouds#swirling#pattern#solarsystem#science#spacecraft#pictureoftheday#astronomy#jetstream#jet#stream
06.08.2018 02:15:57
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