The Cygnus-X star-forming region is located 4,600 light-years from Earth and spans more than 600 light-years. It contains 10 times as much gas as the Orion Nebula -- enough to make over three ...
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The Sky This Week from April 12 to 19: Bid the winter stars goodbyeCygnus' easy-to-spot cross shape is anchored at the Swan's head by magnitude 3.1 Albireo - a stunning orange and blue double star with a separation of about 35″ - and at the tail by brighter ...
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