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Single question astronomy quiz

Discussion in 'Science & Technology' started by Dude111, Aug 28, 2018.

  1. Dude111

    Dude111 Well-Known Member

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    How many moons does Jupiter have?

    A) 10
    B) 12
    C) 16
    D) 79

    ANSWER

    I got it wrong........
     
  2. dogtowner

    dogtowner Moderator Staff Member

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    I got it wrong as well.
     
  3. PLC1

    PLC1 Moderator Staff Member

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    A lot.

    See ? I got it right. 79 according to Google. That's a lot.
     
  4. dogtowner

    dogtowner Moderator Staff Member

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    Relative to erf sure but what of the rest of the universe ?
     
  5. PLC1

    PLC1 Moderator Staff Member

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    Hmmm.... let's see...

    The number of stars in the galaxy is on the order of 10 ^11, and the number of galaxies is also on the order of 10^11, so that' 10 ^22 stars. If only 1% of them have planets, that's 10^20 planets.

    To put that in perspective, the number of dollars in the national debt is on the order of 10^ 10, so the number of pennies is 10^12.

    So, there are 100,000,000 planets for every penny of the national debt.

    Out of all those planets, no doubt some have more than 79 moons.
     
  6. Lagboltz

    Lagboltz Well-Known Member

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    I got it right. I read it in a science journal 3 days ago.
     
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