How big is the biggest star?

February 12, 2008 on 1:11 pm | In General Interest, Science | 1 Comment

See this image for a brilliant visual of the sizes of large stars, all in a single animated gif:

I found it here. Don’t know much else about it.

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  1. Awesome. I’ve seen up to Betelgeuse myself (all the ones up to that are bright, well-known stars in prominent constellations). The ones beyond are new to me. AFAIK, these super massive ones are red supergiants. When a middle-aged, medium-sized star like our Sun (above the Chandrashekhar limit) grows older and starts to run out of gas, it gets unstable and grows (forgot the exact mechanism). The sun is supposed to grow up to the orbit of Mars (which would make it betelgeuse size I guess). It might then collapase and explode into a supernova.

    So that’s my lecture for the day.

    Comment by Venkat — February 20, 2008 #

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