Victor Rogus is an American amateur astronomer and a fellow of the Royal Astronomical Society in London. This is the 10th in his series of exclusive Space.com posts about amateur astronomy. He ...
NASA’s Hubble Space Telescope captured the tattered remains of a supernova explosion known as Cassiopeia A in the Milky Way galaxy. Astronomers at Hawaii observatories are also monitoring supernovae, ...
On Dec. 21, after drawing visibly closer and closer in the night sky over the past few months, Jupiter and Saturn will appear the closest they have since March 4, 1226, nearly 800 years ago. They were ...
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