Space

In most galaxies, observations provide evidence that 90% of the mass is in an unknown form, called dark matter, which interacts with other matter through gravitational but not electromagnetic forces. Data indicates that the majority of the mass-energy in the observable Universe ...

Eye Of The Storm, Hurricane Elena, September 1, 1985

Eye Of The Storm, Hurricane Elena, September 1, 1985

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Eyes in the Sky - Galaxies NGC 2207 and IC 2163

Eyes in the Sky - Galaxies NGC 2207 and IC 2163

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Mars' Shifting Sands, Northern Hemisphere of Mars

Mars' Shifting Sands, Northern Hemisphere of Mars

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NASA - The Horsehead Nebula, B33, Orion Nebula

NASA - The Horsehead Nebula, B33, Orion Nebula

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Ringside with Dione, Saturn's Icy Moon

Ringside with Dione, Saturn's Icy Moon

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