Betelgeuse (Star)
Contents
This is the first direct image of a star other than the Sun, made
with the Hubble Space Telescope.
Andrea Dupree (Harvard-Smithsonian CfA), Ronald Gilliland
(STScI), NASA and ESA
Original image can be found by following this link.
Overview
Betelgeuse (Alpha Orionis / α Ori) is a red supergiant in the constellation of Orion. It's bright red colour and position as Orion's right shoulder make it unmistakable.
Betlegeuse's size
If you could place Betelgeuse where our Sun is it would engulf all of the planets up to and probably including Mars Jupiter.
Image: At this small scale Betelgeuse dwarfs
our Sun which appears as a small dot a few pixels
wide.
Credit: K. R. Carr/Celestia
The Winter Triangle
Betelgeuse is one of three stars which form the asterism, the Winter Triangle.
Image: Betelgeuse's position within the
constellation Orion (circled red)
Credit: K. R. Carr/Stellarium