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"How do stars live and die?" (Ask an Astronomer)

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Uploaded by on Jul 18, 2008

Dr. Michelle Thaller explains the life cycle of stars.

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Education

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  • likes, 2 dislikes

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Uploader Comments (SpitzerScienceCenter)

  • I read somewhere that the Sun is a type of Star. but are all stars Sun?

    like

    A = B

    but

    must B = A?

  • The word "Sun" is just a label or name that humans have given to our star. Yes the sun is a star, more specifically its a "G2 Dwarf Star".

  • thanks for the info. i've heared that stars can live shorter or longer than others due to there size or type. is this true?

  • Yes. In general, the smaller the star, the longer it will live.

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All Comments (16)

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  • She doesn't mention the supernova stage. I thought that when our sun first starts to die it will swell up to past the Earths orbit forming a red giant. Then will shrink into a white dwarf.

  • btw the sun is halfway thru its lifetime

  • @transformersfan43 Thanks :)

  • I just have one question. How can a black hole pull in light? Does light have a mass? Great Video thanks for posting it!

  • @coolscott30 its a medium sized star so it has a moderate time to live the sun has 10 billion years in its lifetime the sun is 4.5 billion years old do the math

  • @SpitzerScienceCenter You said that the smaller the star, the longer it will live, am I right? So the Sun is a big star, am I right? So that means that the Sun has a short time to live?

  • @HawtLeak

    well, the sun is just a star yes. But the stars are not really suns. That big white-yellow light in the sky is what our ancestors called the sun. Centuries later people found out there are more of these things.

    i hope this makes some sense to you

  • I like them too. Airheads should be thrown down a black hole.

  • I like Dr. Michelle Thaller, I like intelligent women ;-)

  • what is the smallest star in the universe?

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