What are the hottest stars? coldest?
| September 19, 2020 | Education
The hottest stars are the cores of planetary nebulae. The surface temperature of these stars reaches more than 50 thousand Kelvin.
One of the coldest is Cygnus, whose surface temperature is 1600 K. However, the coldest known in our time is the star Auriga. Its surface temperature is only 1300 K.
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