Casting light on black auroras
Satellite data reveals secrets of how the dark cavities in the Northern Lights are created
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Galaxies and new-born stars
Bursts of star-birth can curtail future galaxy growth.
Here comes the sun!
CAPTION: 'The Sun, the Earth's auroral belt and aurora.' Courtesy of the SOHO consortium. Soho is a project of international cooperation between ESA and NASA.