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[Science] 100 Billion Planets in the Milky Way

Discussion in 'BBS Hangout' started by rimrocker, Jan 2, 2013.

  1. Rocket River

    Rocket River Member

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    Do they have a big computer that just counts stars?
    Who counts to a billion?!?!?! Without repeating starts LOL.
    I always wondered how they came to thier numbers. . .

    Rocket River
     
  2. Joshfast

    Joshfast "We're all gonna die" - Billy Sole
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    Don't be afraid Ronny, it's ok and necessary for some people to be smart, it's not any reflection on you. (well sorta)

    Instead of hating them you should cherish them because who else is going to figure out the problems caused by the wealthy hyper-greedy and completly useless society draining horde?
     
    #22 Joshfast, Jan 3, 2013
    Last edited: Jan 3, 2013
  3. eMat

    eMat Member

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    In principle it's simple really. You look at all stars in some region of the sky (so that there are no selection effects) and count what fraction of stars have planets. It comes down to a question of how many stars there are. The simplest thing to do is to count the number of stars per some area of the sky and multiply by the total area. This will be quite off but this can be done with much more sophistication. A much bigger uncertainty lies in estimating the actual number of planets from the number we can detect in a limited parameter space.
     
  4. pirc1

    pirc1 Member

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    Basically sampling.
     
  5. Hustle Town

    Hustle Town Member

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    Does someone want to figure out the number of stars in our galaxy?
     
  6. Cowboy_Bebop

    Cowboy_Bebop Member

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    It would be a gigantic discovery of human kind if we could find out what other intelligent species look like. But the really sad fact is that we will probably never know since they are so damn far away. If only could harness antimatter to create that warp drive in the next 100 yrs. But discovering a warp drive with antimatter would also mean creating a most dangerous weapon of mass destruction. But my more preferable preferences would be another peaceful intelligent species who are a million years advance technologically ahead of us make the first contact.
     
  7. Hustle Town

    Hustle Town Member

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    That is the story of many movies. The aliens usually arrive to form a colony and take over the world.
     
  8. Sajan

    Sajan Member

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    <iframe width="480" height="360" src="http://www.youtube.com/embed/-XODJ8p8kmY" frameborder="0" allowfullscreen></iframe>
     
  9. vaioavan63

    vaioavan63 Member

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    This is the type of stuff that I like to ponder when im high- amazing stuff
     
  10. KingCheetah

    KingCheetah Atomic Playboy
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    There are many supercomputers that do nothing but count -- literally. This supercomputer in Japan has calculated pi to the 2.5 Trillionth decimal... link -- and that was back in 2009.
     
  11. KingCheetah

    KingCheetah Atomic Playboy
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    More info...

    "One of the most powerful supercomputers in the world has now been fully installed and tested at its remote, high altitude site in the Andes of northern Chile. It's a critical part of the Atacama Large Millimeter/submillimeter Array (ALMA), the most elaborate ground-based astronomical telescope in history.

    The special-purpose ALMA correlator has over 134 million processors and performs up to 17 quadrillion operations per second, a speed comparable to the fastest general-purpose supercomputer in operation today."


    link
     
  12. Mr. Clutch

    Mr. Clutch Member

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    Hopefully nobody interrupts the computer so it has to start over.
     
  13. KingCheetah

    KingCheetah Atomic Playboy
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    The computers are given instructions not to be interrupted.

    [​IMG]
     
  14. Mr. Clutch

    Mr. Clutch Member

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    I wish I had interruption masks at work.
     
  15. Dairy Ashford

    Dairy Ashford Member

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    Actually, all this tell me is that it's a lot easier for planets to come into being than it is for animals.
     
  16. GanjaRocket

    GanjaRocket Member

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    Ronny would probably appreciate something like this.


    Honey Bear is too self-centered to see the immense power of being able to consider our existence in the scale of the multiverse.
     

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