R136a1 is a newly discovered star, founded by a group of British astronomers. This star is outside of the milky way in star cluster R136. It is believed that R136 contains tens of thousands of stars within a few light-years of space. Hundreds of it's stars, which are rare and massive, are so bright that any planet orbiting a star in the middle of it's cluster does not experience darkness at night. R136a1's mass is said to be around 265 times larger than the sun. Even though this star is only a little over a million years old, it has already lost around a fifth of it's initial mass.
As of July 2010, this star has the highest known stellar luminosity. The temperature at the surface of this star reaches up to 50 thousand degress celsius, which is almost 8 times more heat than the sun. It is ten million times brighter than the sun, and 165,000 light-years away from Earth. Sadly, this star will only live for approximatlely 3 million years.
http://www.theepochtimes.com/n2/content/view/39587/
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