Betelgeuse is well-known because of its bright size and easy-to-spot location in the constellation Orion. It is of astronomical interest because it will likely go supernova in less than a million years.
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From @zathras
Betelgeuse is well-known because of its bright size and easy-to-spot location in the constellation Orion. It is of astronomical interest because it will likely go supernova in less than a million years.