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 ...

Full View of the International Space Station

Full View of the International Space Station

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NASA - Space Shuttle Atlantis

NASA - Space Shuttle Atlantis

1920x1200, 507K

Boomerang Nebula (Bow Tie), Centaurus Constellation

Boomerang Nebula (Bow Tie), Centaurus Constellation

1280x1024, 149K

Ingredients for Life - Complex Organic Molecules

Ingredients for Life - Complex Organic Molecules

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Ephemeral Lake Carnegie in Western Australia

Ephemeral Lake Carnegie in Western Australia

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John Glenn the First American to Orbit Earth

John Glenn the First American to Orbit Earth

1280x1024, 304K

NASA - Cartwheel Galaxy, Head-On Collision

NASA - Cartwheel Galaxy, Head-On Collision

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Cosmic Epic Unfolds in Infrared (Eagle Nebula)

Cosmic Epic Unfolds in Infrared (Eagle Nebula)

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Infant Stars Run Wild in Orion Nursery

Infant Stars Run Wild in Orion Nursery

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Star Cluster R136 Bursts Out

Star Cluster R136 Bursts Out

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Chaotic Beauty in Constellation Perseus, NGC 1333

Chaotic Beauty in Constellation Perseus, NGC 1333

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NASA - Change Of Seasons On Saturn

NASA - Change Of Seasons On Saturn

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Mercury's Horizon Image from Messenger Spacecraft

Mercury's Horizon Image from Messenger Spacecraft

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NASA - Eta Carinae, Doomed Star

NASA - Eta Carinae, Doomed Star

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City of Seoul (Hanyang), South Korea

City of Seoul (Hanyang), South Korea

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