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Real World: What Time Is It In Space?
1 min read

The International Space Station, or ISS, orbits Earth once every 90 minutes. Learn how astronauts keep track of what time…

Aug 5, 2010
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NASA Dedicates Mars Landmarks to Columbia Crew
2 min read

NASA's Mars Exploration Rover Spirit shows the red-hued seven hills on Mars are named for those seven brave souls, the…

Feb 2, 2004
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F.10 PRISM Correction, FAQ posted, and pre-proposal teleconference today December 5, 2025.

This photo of a prism show white light bending (or refracting) as it travels through the glass prism forming a rainbow.

B.3 Living With a Star Science Clarification Regarding Interagency Awards

A long-exposure photograph of a starry night sky seen between the silhouetted walls of a canyon or mountains. The bright object near the center is Jupiter, and a meteor/shooting star streaks across the upper left sky.

Enabling Capabilities

hexagons of images frame in the image of the Earth Sphere in the lower right. A NASA worm logo on a plane flies above the earth, the hexagons are filled with various science activities.

Hydrosphere

Slices of Earth observational and modeling data