• Astronauts aboard the International Space Station (ISS) see the world at night on every orbit — that’s 16 times each crew day. An astronaut took this broad, short-lens photograph of Earth’s night lights while looking out over the remote reaches of the central equatorial Pacific Ocean.
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  • This photograph shows NASA’s newest Deep Space Network antenna, Deep Space Station 35 (DSS-35) in Canberra, Australia. The Deep Space Network is managed by the Space Communications and Navigation (SCaN) program office, created on May 16, 2006.
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  • Together with irregular galaxies, spiral galaxies make up approximately 60 percent of the galaxies in the local universe. However, despite their prevalence, each spiral galaxy is unique — like snowflakes, no two are alike. This is demonstrated by the striking face-on spiral galaxy NGC 6814.
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  • Operation IceBridge, NASA’s airborne survey of polar ice, has returned from the Umanaq B mission along Greenland’s western coast. This top-down view from a NOAA P-3 aircraft shows the calving front of Sermeq Kujatdleq glacier. The Naircraft’s #2 lower engine nacelle and left main landing gear fairing is in the foreground at top.
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  • ESA astronaut Tim Peake photographed the SpaceX Dragon cargo craft as it undocked from the International Space Station on May 11, 2016. Scheduled to splashdown in the Pacific Ocean at 2:55 p.m. EDT, the spacecraft will return the final batch of human research samples from former NASA astronaut Scott Kelly’s historic one-year mission.
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  • NASA’s Aqua satellite captured this image of the clouds over Canada on May 9, 2016. Entwined within the clouds is the smoke billowing up from the wildfires that are currently burning across a large expanse of the country.
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  • The planet Mercury is seen in silhouette, lower third of image, as it transits across the face of the sun Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania. Mercury passes between Earth and the sun only about 13 times a century, with the previous transit taking place in 2006.
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  • Shown in this Hubble Space Telescope image, NGC 4394 is the archetypal barred spiral galaxy, with bright spiral arms emerging from the ends of a bar that cuts through the galaxy’s central bulge. These arms are peppered with young blue stars, dark filaments of cosmic dust, and bright, fuzzy regions of active star formation.
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  • Astronaut Alan B. Shepard Jr., in his silver pressure suit with the helmet visor closed, prepares for his Mercury Redstone 3 launch on May 5, 1961. Shepard’s Freedom 7 Mercury capsule lifted off at 9:34 a.m. and flew a suborbital trajectory lasting 15 minutes and 22 seconds. He became the first American to fly into space.
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  • The Nili Fossae region, located on the northwest rim of Isidis impact basin, is one of the most colorful regions of Mars. This region is ancient and has had a complicated geologic history, leading to interesting structures like layered bedrock, as well as other compositions.
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