water on the moon!

Discussion in 'Blazers OT Forum' started by Eastoff, Sep 28, 2009.

  1. Eastoff

    Eastoff But it was a beginning.

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  2. Rodolfo

    Rodolfo Double Stamp>Triple Stamp

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    Maybe there's life up there too! ;)
     
  3. MARIS61

    MARIS61 Real American

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    The tax money we spent to find out that useless bit of trivia could probably have saved hundreds of thousands of Americans from unnecessary and excruciatingly painful deaths had it been spent on healthcare instead.
     
  4. BLAZER PROPHET

    BLAZER PROPHET Well-Known Member

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    I've always wondered what we were getting for all that money.
     
  5. Eastoff

    Eastoff But it was a beginning.

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    it's good to hear you're for public health care! Good to know the money India spent (the first to find the water) and Cassini (sent 10 years ago to Jupiter) are also important. The other one was an american probe going somewhere else and was in the neighborhood.
     
  6. Eastoff

    Eastoff But it was a beginning.

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    who needs satellites? I don't really want my cell phone to work or a GPS system or smart bombs!
     
  7. Denny Crane

    Denny Crane It's not even loaded! Staff Member Administrator

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    I read about this a few days ago. It was an Indian space craft that discovered the water. It says so in the article linked above too:

    This light wavelength was first discovered by an instrument on the Indian lunar satellite Chandrayaan-1, which stopped operating last month. Scientists initially figured something was wrong with the instrument because everyone knew the moon did not have a drop of water on the surface, Pieters said.
     
  8. Eastoff

    Eastoff But it was a beginning.

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    isn't it bizarre that they had data from a probe that already went by the moon 10 years ago that they just didn't check?
     
  9. Denny Crane

    Denny Crane It's not even loaded! Staff Member Administrator

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    I've always heard the moon had really tiny polar ice caps. This article from 1996 confirms they knew about it a while ago:

    http://www.psrd.hawaii.edu/Dec96/IceonMoon.html

    It also confirms the ideas I've heard about lunar colonies being situated at the poles to have access to the water there. Particularly the south pole.

    The big news from the Indian probe is that there appears to be water/ice accruing on the moon.

    At least that's my understanding.
     
  10. Eastoff

    Eastoff But it was a beginning.

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    A moon base seems wasteful until they have better propulsion for space travel.

    I think that is what is special/unique, the liquid form.
     
  11. Rodolfo

    Rodolfo Double Stamp>Triple Stamp

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  12. BlazerWookee

    BlazerWookee UNTILT THE DAMN PINWHEEL!

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    :check:
     
  13. zєяσ

    zєяσ Truth is beautiful

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    So I'm assuming this finding helps bolster the theory that the moon came from the Earth in its early years.
     
  14. Eastoff

    Eastoff But it was a beginning.

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    I would think so too at first, but they are suggesting it is from various other sources.
     
  15. Denny Crane

    Denny Crane It's not even loaded! Staff Member Administrator

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    No. They looked at the moon rocks brought back by the Apollo astronauts and the composition of the moon is not the same as the earth.

    You can see the moon has been hit by numerous asteroids and comets. The comets are typically frozen balls of mud and water, so where they hit they leave water. This is likely the source of some of, if not all, the water on the moon.

    Scientists recently believed all the water on earth came from comets, but that's been disproven. It's a mystery where our water came from. There's so much of it.

    The Apollo astronauts also left mirrors on the moon that we can bounce lasers off of. For decades, we've measured the distance to the moon using them and have found that the moon is actually moving away from the earth at a few inches per year. At some point it'll be lost from our orbit entirely, but maybe the sun will die before that happens and it'll be moot. More interesting about it moving away is that you can assume it was 5 inches (or whatever) closer last year, 5 the year before, etc. Go back billions of years and the moon was very close. But scientists say you can't go back so far that the moon and earth occupied the same space.

    This NASA article suggests that the moon was created by an impact between earth and a planet about the size of mars.

    http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question38.html
     
  16. zєяσ

    zєяσ Truth is beautiful

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    I learned bad science :curse:

    I learned like 3 theories concerning the moon: fission, condensation, and capture. Never knew of the comets thing you mentioned. The most current one is the impact one, and it seems very plausible. I didnt fully understand until Neil degrasse Tyson simplified it in a movie.

    I knew about the moon getting further and further and it has always fascinated me the possibilities of how the early earth started. The last I heard is that micro-organisms formed and around the same time the water started a comin. I forget the details.:drumroll:
     
    Last edited: Sep 30, 2009
  17. Eastoff

    Eastoff But it was a beginning.

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    well as I understand, hydrogen is the most abundant in the universe. And Oxygen occurs obviously enough. Combining the two from various radiation, makes sense to me.
     
  18. Denny Crane

    Denny Crane It's not even loaded! Staff Member Administrator

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    Helium is the 2nd most abundant in the universe. I am not sure where Oxygen fits in on those terms.
     

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