Which star is the hottest known among very massive main-sequence stars?
Quick Answer
R136a1 is one of the most massive known stars and is extremely hot, with surface temperatures around 50,000 to 55,000 kelvin. It belongs to the R136 cluster in the Large Magellanic Cloud.
The Full Story
R136a1 is one of the hottest and most massive known stars. It has an estimated surface temperature in the range of about 50,000 to 55,000 kelvin, much hotter than the Sun’s roughly 5,800 kelvin. The star sits in the R136 cluster in the Large Magellanic Cloud and is famous for its extreme luminosity and mass. Massive stars like this burn through fuel rapidly and are expected to end as supernovae or black holes.
Key Facts
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