Quote:
Originally Posted by sjastro
Like Tom Bridgeman, I used Neptune as an example to show the similarities confronting scientists of the 1840's with todays mainstream scientists dealing with dark matter.
In both cases scientists didn't invent Neptune and dark matter to support existing theories. Instead both are outcomes of applying unmodified Newtonian theory as a perturbation to existing orbits.
In the 1840s the orbit in question was Uranus.
Today it is the rotation curves of outer lying stars.
This contradicts EU's assertion that dark matter is an ad hoc mathematical invention to support observation.
Regards
Steven
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Yep ... great example ... what's more, I think I got it !!
Different topic ... could I con you into replying to "5D Strings" and "Origins of Magnetic Fields & SR" posts ? Love to get your take on all that .. I'm left hanging !!
Cheers