Space

Outer space, or just space, is the void that exists between celestial bodies, including the Earth. It is not completely empty, but consists of a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium as well as electromagnetic radiation, ...

John Glenn the First American to Orbit Earth

John Glenn the First American to Orbit Earth

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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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The Pleiades Star Cluster (Messier 45)

The Pleiades Star Cluster (Messier 45)

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Mercury's Horizon Image from Messenger Spacecraft

Mercury's Horizon Image from Messenger Spacecraft

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NASA Space Shuttle Discovery Is Ready for Launch

NASA Space Shuttle Discovery Is Ready for Launch

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Seven Sisters Pleiades Star Cluster (M45)

Seven Sisters Pleiades Star Cluster (M45)

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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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Spider Crater, Kimberley, Western Australia

Spider Crater, Kimberley, Western Australia

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Nardo Ring, Italy - Race Car Test Track

Nardo Ring, Italy - Race Car Test Track

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Huygens Probe and Titan

Huygens Probe and Titan

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NASA - Cleveland Volcano, Aleutian Islands

NASA - Cleveland Volcano, Aleutian Islands

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Horsehead Nebula Region (Barnard 33)

Horsehead Nebula Region (Barnard 33)

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