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A dark spot on the Sun: it's the size of 60 Earths. What does this mean?
On December 2, within 24 hours, a coronal hole, or dark spot, emerged on the surface of the sun. This formidable entity ...
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NASA Observatory Captured an 'Eerie' Smile on Sun, Experts Reveal the Dark Holes Are 'Cooler' Spots
Seen in ultraviolet light, these dark patches on the Sun are known as coronal holes and ... Get FRONT PAGE DETECTIVES delivered right to your inbox. Sign up now. FOLLOW FRONT PAGE DETECTIVES ...