from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A massive star of great size and luminosity that has a relatively low surface temperature ranging from 3,000 to 4,000 kelvin (4,940° to 5,740° F), giving it a reddish or orange hue.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy A very large, red
star, such as Betelgeuseand Antares.
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