A huge Dark Area appeared on the Sun
A huge dark area across the top of the sun, a coronal hole, a region where the magnetic field is open to interplanetary space, sending coronal material
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3,000th Comet spotted by SOHO
The Solar and Heliospheric Observatory, discovered on Sept. 13, 2015, its 3,000th comet, cementing its standing as the greatest comet finder of all time.
Lights of a red Aurora from the ISS
This spectacular aurora captured from the Space Station by NASA Astronaut Scott Kelly, on June 23, 2015.