images

Size comparison : Betelgeuse and Sun

by

M.Carroll/Novapix

Reference

a-eto01-00051

Date

2008-12-07

Betelgeuse is a red giant, one of the largest stars known. It forms the left shoulder of the constellation Orion. If Betelgeuse was placed at the center of our solar system, its fuzzy edge would extent out well beyond the orbit of Mars.