oma arengus peajadalt eemaldunud täht, mille läbimõõt on algsega võrreldes kasvanud kümneid kordi ja mille pinnatemperatuur on umbes 3000-4000 K
luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution
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See also: Nola Taylor Redd, 'Red Giant Stars: Facts, Definition & the Future of the Sun', Space.com, 21 August 2013, http://www.space.com/22471-red-giant-stars.html [2.6.2017]
A red giant will expand outward many times its original size. Our own Sun, for example will grow so large that it engulfs the orbits of Mercury, Venus and even Earth; although, it's not certain if Earth will actually be destroyed when this happens.
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