Today: Zebra Fish Muscle: Gerst connected a water bag and a waste bag to the Aquatic Habitat water circulation unit and performed water exchange #6.
NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.
Egmont National Park on New Zealand's North Island is pictured in this satellite image.
NASA's Hubble Space Telescope has picked up the faint, ghostly glow of stars ejected from ancient galaxies that were gravitationally ripped apart several billion years ago.
This Chandra X-ray Observatory image of the Hydra A galaxy cluster was taken on Oct. 30, 1999, with the Advanced CCD Imaging Spectrometer (ACIS) in an observation that lasted about six hours.
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