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Glorious Sunrise at the Start of a Spacewalk

NASA astronaut Mark Vande Hei exits the International Space Station on Oct. 10, 2017, for a spacewalk in this photograph taken by fellow spacewalker Randy Bresnik. Bresnik wrote, “A glorious sunrise greeted @Astro_Sabot and I at the start of our 2nd #spacewalk. His visor reflection shows the airlock hatch we came out.” To source

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Planet Mercury: Facts About the Planet Closest to the Sun

This view is one of the first from the MESSENGER probe’s Oct. 6, 2008 flyby of Mercury. Mercury is the closest planet to the sun. As such, it circles the sun faster than all the other planets, which is why Romans named it after their swift-footed messenger god. The Sumerians also knew of Mercury since […]

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Revisit the launch event

From ESA’s technical heart in the Netherlands, watch the replay of the event to celebrate the launch of the Copernicus Sentinel-5P satellite, dedicated to monitoring our atmosphere To source

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Mobile Stargazing: Diving into Deep-Sky Objects Using Mobile Apps

Deep-sky objects are celestial objects outside our solar system that aren’t individual or double stars. They include star clusters and nebulas located within our Milky Way galaxy as well as the multitude of distant galaxies within reach of telescopes. Many of the best and brightest of these objects were included in Charles Messier’s list of […]

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Apollo 11 Spacecraft Traveling Exhibit Lands at Space Center Houston

“Destination Moon: The Apollo 11 Mission,” the Smithsonian’s new traveling exhibition, is ready to launch on Saturday (Oct. 14) at Space Center Houston, the official visitor center for NASA’s Johnson Space Center in Texas and a Smithsonian Affiliate. Small in size but giant in its historical stature, Columbia, the Apollo 11 command module, has taken center […]

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Cassini Battled Saturn Hard During Death Dive

Artist’s illustration of NASA’s Cassini plunging into Saturn’s atmosphere on Sept. 15, 2017. Cassini put up a good fight.  The NASA Saturn probe fired its thrusters full bore for at least 91 seconds during its suicide plunge into the ringed planet on Sept. 15, battling hard to keep its antenna pointed at Earth for as […]

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Space, astronomy and science