Red+Supergiant

Red Supergiant Definition - An extremely large red giant star with a minimum of 15 solar masses.  - They are also called 'super giant stars'. In terms of volume, they are the lasrgest stars. A good example of these stars are Betelegeuse and Antares. These stars are rare because of scarcity of massive stars and the briefneess of the red supergiant stage. Only 200 stars of these type are present in the whole galxy which make this type of star really rare.



 - Stars turn into Red Supergiants when 10 or more solar masses after burning hydrogen during their phase of bruning helium. The surface of these stars have very cold surface temperatures.

Here is a video of a Red Supergiant named betelgeuse.

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