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giant star
(redirected from Giant stars)

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giant star

Member of a class of stars located at the top right pf the Hertzsprung-Russell diagram, characterized by great size and luminosity. Giants have exhausted their supply of hydrogen fuel and derive their energy from the fusion of helium and heavier elements. They are roughly 10–300 times bigger than the Sun with 30–1,000 times the luminosity. The cooler giants are known as red giants.



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? Mentioned in ? References in periodicals archive
 
Rodrigo Ibata of the Max Planck Institute for Astronomy in Heidelberg, Germany, and his colleagues describe their own large-scale survey of middle-aged stars known as carbon giant stars (http://xxx.
Milky Way feasts on its neighbors by Cowen, R. / Science News
You might call magnetars leftovers of giant stars," says Umran Inan, an engineering professor at Stanford University in Palo Alto, California, who studied the magnetar's blast.
STARQUAKE! by Bregman, Mark / Science World
Normally, a white dwarf packs the equivalent of the sun's mass into a ball roughly the size of a modest planet, while neutron stars -- the crushed relics of supernova explosions of giant stars -- can have similar masses but diameters of 40 kilometers or less.
Quark matters; birth of a strange dwarf by Peterson, Ivars / Science News
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