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  1. #31
    Michael McCulloch's Avatar
    Michael McCulloch Guest

    Default How do astronomers know how much dark energy and dark matter in the universe from a radio map?



    On Wed, 05 Oct 2005 22:12:39 -0600, Tim Killian
    <TJK@notmyrealemail.com> wrote:


    Dark matter theories spring from the *unwillingness to deviate* from
    the known laws of gravitation and general relativity. Therefore the
    term means nothing more than astronomers observe the gravitational
    effects of something but nothing is observed with the instruments we
    presently have available.

    So instead of dark matter you prefer to offer explanations that
    deviate from the known laws of gravitation and general relativity?
    Care to offer your explanation?

    ---
    Michael McCulloch

  2. #32
    Tim Killian's Avatar
    Tim Killian Guest

    Default How do astronomers know how much dark energy and dark matterin the universe from a radio map?

    Science advances when scientists don't stray from the "known laws" and
    demonstrate stubborn "unwillingness to deviate" from accepted doctrine
    like GR? The word "epicycle" comes to mind whenever I read these
    discussions of dark matter. Cosmology is painting itself into a corner
    with circular reasoning and funding doled out to projects that support
    the status quo. History repeats.

    Einstein's triumph was that he abandoned deconstruction and went to Mach
    for the basis of his theory explaining space-time. Dark matter is a
    scientific deus ex machina of the worst kind. IMO floating blobs of
    invisible, unexplainable stuff are not the reason the heavens move.


    Michael McCulloch wrote:

  3. #33
    Michael McCulloch's Avatar
    Michael McCulloch Guest

    Default How do astronomers know how much dark energy and dark matter in the universe from a radio map?

    On Thu, 06 Oct 2005 12:29:58 -0600, Tim Killian
    <TJK@notmyrealemail.com> wrote:


    Yeah, the stuff of the Universe should be obvious -- like the
    neutrino.

    ---
    Michael McCulloch

  4. #34
    Tim Killian's Avatar
    Tim Killian Guest

    Default How do astronomers know how much dark energy and dark matterin the universe from a radio map?

    ??? There are several neutrino detector arrays in operation today. I
    don't recall anything similar for those pesky neutralinos. Perhaps CERN
    could try to build us one for another $50 billion in funding.

    Michael McCulloch wrote:

  5. #35
    Michael McCulloch's Avatar
    Michael McCulloch Guest

    Default How do astronomers know how much dark energy and dark matter in the universe from a radio map?

    On Thu, 06 Oct 2005 15:20:47 -0600, Tim Killian
    <TJK@notmyrealemail.com> wrote:


    I see my comment went right over your head...

    Do you have your order in for Coronado's PNT (Personal Neutrino
    Telescope)? I'm on the waiting list!

    If you can't see the parallels between the current search for dark
    matter candidates and the history of the discovery of the neutrino
    (which turns out actually does exist after years of only theoretical
    predictions without observation), then there's no point in continuing
    this conversation.

    You appear to have a dark matter chip on your shoulder.

    ---
    Michael McCulloch

  6. #36
    jerry warner's Avatar
    jerry warner Guest

    Default How do astronomers know how much dark energy and dark matter in theuniverse from a radio map?

    Mankind is a traveler. What we cant visit directly we guess at and imagine.
    jw


    John Deer wrote:



  7. #37
    Davoud's Avatar
    Davoud Guest

    Default How do astronomers know how much dark energy and dark matter in the universe from a radio map?

    jerry warner:

    There is reason to believe that our knowledge of those phenomena that
    we can't observe directly or can't observe up close comes from
    ingenious distant measurement, sometimes indirect, and from our
    measurements come the theories. A good example is the existence of
    black holes. We haven't /proved/ that they exist, but theoreticians
    predicted the effect that black holes would have on surrounding matter,
    and observers went and found those effects. Thus, sufficient /evidence/
    exists to make the existence of black holes a widely accepted theory.
    So it isn't just guesswork. That slights a lot of really bright people.

    Davoud

    --
    usenet *at* davidillig dawt com

 

 
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