Astronomy & Space - Space Exploration news

Still a filament arrow?

On May 28, 2015 (above left), the sun, as seen by NASA's Solar Dynamics Observatory, showed a pair of filaments in the form of an arrow. The filaments appeared to remain stable as they rotated around to the ...

dateJun 22, 2015 in Space Exploration
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Evidence found for granite on Mars

Researchers now have stronger evidence of granite on Mars and a new theory for how the granite – an igneous rock common on Earth—could have formed there, according to a new study. The findings suggest ...

dateNov 18, 2013 in Space Exploration
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