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Friday, July 23, 2010

Our sun is so big that 1 million earths could fit inside of it.



Our sun is so big that 1 million earths could fit inside of it. On the other hand, the largest star known to man is called VY Canis Majoris which could house 9,261,000,000 Suns. If VY Canis Majoris were put in our sun's place it would extend past Saturn. VY Canis Majoris can also fit 7×10^15 Earths inside of it (that's 7 with 15 zeros after it.) VY Canis Majoris (VY CMa) is a red hypergiant star located in the constellation Canis Major. At between 1800 and 2100 solar radii (approx 2,500,000,000 to 2,900,000,000 km across or 1,550,000,000 to 1,800,000,000 miles), it is the largest known star and also one of the most luminous known. It is located about 1.5 kiloparsecs (4.6×1016 km) or about 4,900 light years away from Earth. Unlike most hypergiant stars, which occur in either binary or multiple star systems, VY CMa is a single star. It is categorized as a semiregular variable and has an source Wikipedia
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