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How big is the biggest star?

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Anonymous

12y ago
Updated: 8/16/2019

The largest known star is VY Canis Majoris (VY CMa). Other interesting facts abut it are that it is:

  • a red hypergiant star
  • located in the constellation Canis Major
  • 1800 and 2100 solar radii (approx 2,505,600,000 to 2,923,200,000 km across or 1,556,534,837 to 1,816,267,995 miles)
  • one of the most luminous (brighest) known
  • located about 1.5 kiloparsecs (4.6×1016 km) or about 4,900 light years away from Earth.

It should be clarified what you mean with "big". Are you referring to the star's diameter, or to its mass? - The stars with the largest diameter are believed to be about 2000 times as large (in diameter) as our Sun. Note that our Sun's diameter is about 1.4 million kilometers, so we are talking about a diameter of 2-3 billion kilometers.
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Wiki User

12y ago

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