Blue supergiant stars are unique, in the sense that they are amongst the most luminous stars, and yet short-lived. These stars can transform into red supergiant stars before eventually exploding during the supernova event.
Blue supergiant stars are amongst the largest and brightest stars in the world. They are characterized by high temperatures ranging from 20,000 – 50,000 kelvin (35,540.3 – 89,540.3 °F). These bright and hot stars are roughly the size of 20 solar masses. However, their size can vary a lot.
A blue supergiant star can be as big as 1,000 solar masses. So, Here are few interesting facts about blue supergiant stars:
Blue supergiant stars are known for the fast stellar winds which blow on their surfaces. However, these winds, although fast, occur sparsely
These stars have short lifespans in comparison to most stars; which is why they are found in cosmic structures such as spiral galaxies and open clusters. These structures are younger in comparison to other cosmic structures
Blue supergiant stars are of rare occurrence in comparison to other kinds of stars. However, the luminosity of these stars makes them easily visible
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