Space

Outer space represents a challenging environment for human exploration because of the dual hazards of vacuum and radiation. Microgravity also has a negative effect on human physiology that causes both muscle atrophy and bone loss. In addition to these health and environmental ...

Space Shuttle Discovery on the Tarmac

Space Shuttle Discovery on the Tarmac

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Ancient Lake Uvs Nuur Basin in Mongolia

Ancient Lake Uvs Nuur Basin in Mongolia

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Purple Haze in Abell 1689, Massive Cluster of Galaxies

Purple Haze in Abell 1689, Massive Cluster of Galaxies

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Space Shuttle Endeavour Launch

Space Shuttle Endeavour Launch

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Seven Sisters Pleiades Star Cluster (M45)

Seven Sisters Pleiades Star Cluster (M45)

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A Black Hole Overflows from Galaxy Centaurus A

A Black Hole Overflows from Galaxy Centaurus A

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Cluster of Galaxies in the Distant Cosmos

Cluster of Galaxies in the Distant Cosmos

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The Final Mission to Hubble, STS-125

The Final Mission to Hubble, STS-125

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First Launch from Cape Canaveral on July 1950

First Launch from Cape Canaveral on July 1950

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Columbia STS-50 Orbiter Vehicle Liftoff

Columbia STS-50 Orbiter Vehicle Liftoff

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Global Satellite Weather Forecast Picture

Global Satellite Weather Forecast Picture

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Space Shuttle Atlantis Atop NASA's Modified Boeing 747

Space Shuttle Atlantis Atop NASA's Modified Boeing 747

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NASA - Neptune

NASA - Neptune

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Tornado Track Across Indiana and Kentucky

Tornado Track Across Indiana and Kentucky

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NASA - Noctis Labyrinthus Formation on Mars

NASA - Noctis Labyrinthus Formation on Mars

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