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Thread: Red shift blue shift

  1. #31
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    Science could use green laser light from any probe and focus it back towards earth, let's say to the farther is reaches of any probe and see if it makes it back to Earth. From the light tests done from the earth to the moon and back, I see no possibility of that.

    If as science claims, we should challenge everything, then should we not look at science in such a way? If we are not willing to first challenge everything that science claims, then we are just copy and pasting everything that science does claim, correct?

  2. #32
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    One way or another (and others) this discussion is taking place in the Space/Astronomy Questions and Answers forum. This is where you ask questions and get mainstream answers. You may not argue those answers on an against-the-mainstream basis. You currently have an ATM thread open where you can make your ATM claims. Don't do it here.
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  3. #33
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    Quote Originally Posted by antoniseb View Post
    What is all based on that? Also, what do you mean "white can actually travel"? Once you fill us in on that, kindly explain how our Sun proves that whatever you meant can't be done.
    Lol, ok, white, should be light.
    I'll be back a little later to explain.

  4. #34
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    Your original statement and your questions which followed it
    in your next posts showed that you have no understanding of
    motion, so your understanding of how Doppler shift works is
    completely messed up. You don't understand what it is or
    how it is observed and measured. The other people who have
    replied in this thread all have a good understanding of motion
    and Doppler shift. So your perspective is different from that
    of everyone else in this thread.

    -- Jeff, in Minneapolis

  5. #35
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    It is incorrect to say that our space probes haven't been sending light back to Earth. However, that can't prove that light can travel billions of light years, because no Earth probe has traveled that far. There is an underlying assumption to our investigation of the universe that the laws of physics operate the same anywhere in the universe. Of course we can't prove that, because we can't probe physics everywhere in the universe. But it's more about building a framework and applying to all that we can observe. And there's nothing to suggest that light can't travel billions of light years. In fact, there are strongly supported theories that suggest that it can and does. Any theory that attempts to upend the current theories would need to do at least a good a job at predicting the observables as our current theories do.

  6. #36
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    In addition to not understanding motion or Doppler shifting,
    it appears that you also do not understand that radio waves
    are light.

    -- Jeff, in Minneapolis

  7. #37
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    Quote Originally Posted by Jeff Root View Post
    In addition to not understanding motion or Doppler shifting,
    it appears that you also do not understand that radio waves
    are light.
    This is just one example of responses that continue to address the ATM claims and not the OP question. I'll take that to mean that the OP has been adequately addressed and that the ATM thread on this topic will receive a few more visitors...since this one is now closed.
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    Man is a tool-using animal. Nowhere do you find him without tools; without tools he is nothing, with tools he is all. Thomas Carlyle (1795-1881)

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