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Solar Week - Ask a Question » Archives of previous runs of Solar Week » 2006 October 02-06 » Being or becoming a scientist » Science

Science

Last post 10-06-2006 10:05 AM by Mandy Hagenaar. 1 replies.
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  • 10-05-2006 7:39 AM

    Science

    Reply Contact

    Hey my name is Cheyenne. I live in West Virginia. How many planets are there in space right now???I also have another question to ask all of you ppl.  How much oxygen can one planet alone hold????? I would like for you to email me back and give me all of the answers to the questions I have asked u.                                                              

                                         Thank you lots, Cheyenne

  • 10-06-2006 10:05 AM In reply to

    Re: Science

    Reply Contact
    Hi Cheyenne,

    Good questions!
    There are billions of other stars in the universe, and we can't count them all because they are too far away.
    The same is true for planets: we can't know how many we don't see.
    So far, a few hundred possible planets have been counted, see
    http://planetquest.jpl.nasa.gov/index.cfm
    http://planetquest.jpl.nasa.gov/news/TrES2_Transit.cfm
    http://planetquest.jpl.nasa.gov/science/finding_life.cfm
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