Astronomy & Space - Space Exploration news

NASA's SDO sees two coronal holes

NASA's Solar Dynamics Observatory, or SDO, captured this solar image on March 16, 2015, which clearly shows two dark patches, known as coronal holes. The larger coronal hole of the two, near the southern ...

Mar 18, 2015
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Mission studies the Sun in soft X-rays

At any given moment, our sun emits a range of light waves far more expansive than what our eyes alone can see: from visible light to extreme ultraviolet to soft and hard X-rays. Different wavelengths can ...

Mar 24, 2015
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