How are extreme “blue supergiant” stars born? Astronomers may finally know
A red giant star and a smaller and younger companion approach each other in a prelude to a collision that ...
Read moreA red giant star and a smaller and younger companion approach each other in a prelude to a collision that ...
Read moreBlue supergiants are the brightest stars in their host galaxies, and yet their evolutionary status has been a longstanding problem ...
Read moreAn illustration of the early morning sky on Jan. 8 showing the moon in close proximity to Antares. (Image credit: ...
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