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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

Aurora by Moonlight

Explanation: The ice was singing as light from a bright gibbous Moon cast shadows across this frozen lake , about 20 kilometers north of Stockholm, Sweden, planet Earth. In the alluring night skyscape captured on February 10 , shimmering auroral curtains of light dance in the evening sky. On that northern night nature's performance included the auroral displays fostered by a minor geomagnetic storm. Stormy space weather was the result of a coronal mass ejection, erupting from a solar prominence days earlier and brushing our fair planet's magnetosphere.

Date February 12, 2022
Credit Image Credit & Copyright: P-M Hedén ( Clear Skies , TWAN )
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.