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Why go back to the moon 50 years later?

Discussion in 'General Discussion' started by We Never Know, Jan 16, 2021.

  1. We Never Know

    We Never Know Well-Known Member

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  2. Quetzal

    Quetzal A little to the left and slightly out of focus.
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    Right, this is a good question. So our trips in the 60s-70s were to prove that we could send trained astronauts to the moon. Our mission now is to send anyone. These two missions, while similar, are very different in complexity. Further, we are exploring designs and concepts that can be expanded to other planetary bodies (Mars, for example). In the 60s, this wasn't really considered because we knew we just didn't have the tech yet.

    So, why go back?
    1. We need a proof-of-concept that we can reliability send individuals into space and bring them back, safely.
    2. We want to produce and test a design that can be expanded to other planetary bodies.
    3. We want to test systems that are nearly autonomous so that un-trained passengers can safely travel in the future.
    4. It is bad ***. (arguably the most important)
     
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  3. Regiomontanus

    Regiomontanus retired astronomer

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    A waste of money IMHO. Spend it on a large space telescope and new drinking water facilities in Flint, MI, for a start.
     
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  4. Quetzal

    Quetzal A little to the left and slightly out of focus.
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    NASA has one of the highest returns on investment for any government agency in the US.

    No One Should Think That Money Spent on NASA is a Waste
     
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  5. Regiomontanus

    Regiomontanus retired astronomer

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    Thanks but I have heard it all before.

    edit: what I mean by waste is spending billions of tax dollars to enable us to travel around our solar system and beyond, eventually. I just think we should get our act together here first. We are causing a mass extinction event here, for example, but are enamored by exploring the universe to see if we are alone? Insanity. I do not think we should treat earth as disposable.
     
    #5 Regiomontanus, Jan 16, 2021
    Last edited: Jan 16, 2021
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  6. sun rise

    sun rise "This is the Hour of God"
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    From what I've seen the SLS is a boondoggle given to aeorspace giants given its history and not cost effective.
     
  7. Quetzal

    Quetzal A little to the left and slightly out of focus.
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    There is no reason why we can't do both.
     
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  8. Subduction Zone

    Subduction Zone Veteran Member

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    How else can we tell that it is still there?
     
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  9. Estro Felino

    Estro Felino Believer in free will
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    In 2010: we will return to the moon in 2020
    In 2018: we will return to the moon in 2024
    In 2025: we will return to the moon in 2030

    :p;)
     
  10. Brickjectivity

    Brickjectivity Veteran Member
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    International relations. This is something that everybody likes, particularly if its a joint mission with other nations. Even if its not a joint mission we still can do experiments for groups in other countries. Suppose for instance Japan wants a core sample from the moon etc. or Australia wants us to test kangaroos on the moon. We can do that.
     
  11. We Never Know

    We Never Know Well-Known Member

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    A reply to everyone.....
    If we can use a telescopes to see galaxy's several light years away,,,, why do we need to go back to the moon? Surely we can see all that needs to be seen there being it is so close to us.
     
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  12. Estro Felino

    Estro Felino Believer in free will
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    The truth is that with the technology of today a human space mission can provide with more information.
     
  13. Heyo

    Heyo Well-Known Member

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    5. Mining the Moon (and asteroids) will become profitable in the near future. Having a foot in the door is important.
     
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  14. Twilight Hue

    Twilight Hue The gentle embrace of twilight has become my guide

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    Maybe ambitions go farther than exploration.

    There's a lot of resources out there in our solar system and I'm guessing sights on a future generation that will start to mine planets for materials. I can see the moon as a staging point.
     
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  15. Altfish

    Altfish Veteran Member

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    Wasn't a major factor that the 60's mission was to claim the Moon before the Russian's got there?
    ie It was political and after Sputnik and Yuri Gagarin the US was well behind in the Space Race
     
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  16. Regiomontanus

    Regiomontanus retired astronomer

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    Manned explorations are too expensive now and simply not justifiable, I think. We could afford it though if we didn't spend a trillion dollars a year on the military.
     
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  17. Polymath257

    Polymath257 Think & Care
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    False comparison. For example, we could not determine the composition of moon rocks with a telescope. We could not determine aspects of the geology of the moon with telescopes. Distance isn't the relevant factor: brightness and (angular) size is.

    Also, you are *way* off in your distances and our capabilities. Galaxies are *millions* of light years away. But we don't see in as much detail at that distance as we do with things up close. other stars are light years away and we can barely get images of their planets at all (we use other techniques to show they have planets).

    So, for example, we cannot see the landers from the original moon missions with any Earth-based telescope. Even turning a professional grade telescope towards the moon runs the risk of harming the telescope: the amount of light reflected from the moon would overwhelm the system.

    As another example, telescopes alone produced some information about Mars, but the level of detail we got when we started sending probes was/is simply not possible with a telescope. We have learned a tremendous amount about the geology and history of Mars by actually having probes there. But the extra we could learn from having a person there goes well beyond even what a probe can do.

    As another example, compare what we could see with the Hubble telescope for Pluto with what we were able to see by sending a probe past it. There is really no comparison.
     
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  18. Revoltingest

    Revoltingest I have the kavorka
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    We can afford manned missions anyway, but is it the best use
    of the money? I still favor unmanned missions & remote sensing.
    Much more bang for the buck.
     
  19. Heyo

    Heyo Well-Known Member

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    True for many missions with a limited scope. But for general missions and for remote operating that can't deal with 2 second delays, you need boots on the ground.
    And we'd like to know the long time effects of low gravity on the human body.
     
  20. Revoltingest

    Revoltingest I have the kavorka
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    That is rapidly changing as computing power increases.
    Humans are enormous burden in space. They're fragile
    & needy things.
     
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