supergiant
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- n an extremely bright star of very large diameter and low density
- Astronomers are still looking for evidence of a previously undetected red supergiant in the same area.
- His spectrograms of four supergiant stars in the constellation of Orion clearly showed that the starseach about 25 times the mass of the sunare ejecting great quantities of .
- One favorite in the supernova category is Betelgeuse, the red supergiant clearly visible at the shoulder of the constellation Orion, the Hunter.