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发帖数: 298 | 1 Scientists learn that weird stars heavy in helium are the progeny of white
dwarf mergers.
by Kelly Kizer Whitt
Simon Jeffery of the Armagh Observatory and Hideyuki Saio of Tohoku University
have solved the puzzle of how helium stars are created. Their collaboration,
through observations and computer modeling, has revealed the merger of two
white dwarf stars to be the parentage behind the birth of helium stars.
These odd stars, including a group of variable stars named after the prototype
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