Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
A red giant star and a smaller and younger companion approach each other in a prelude to a collision that will birth a blue supergiant star.Astronomers may have solved the mystery of how some of the brightest and hottest stars in the cosmos are born. B-type blue supergiant stars are at least 10,000 times brighter, two to five times hotter and 16 to 40 times more massive than the.
Yet blue supergiants, some of the most massive stars, are lonely. The reason for this may be that blue supergiant stars exist in systems in which the occupants have already spiraled together, collided and merged.
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