The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...
Spring means it’s time to look up into our night sky and find one of the oldest objects in our galaxy: the M3 Cluster. NASA and other sky experts call this group of ancient stars “a truly distant ...
Formally known as Messier 44, the cluster is one of the closest of its kind to Earth. It will be visible throughout January, with the best viewing times after sunset and before midnight. While visible ...
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