Wednesday, August 27, 2014

Philosophy Wire: Assumptions, simulations, light...

Philosophy Wire by Spiros Kakos [2014-08-27]:

Computer simulations of intergalactic hydrogen in a "dimly lit" universe (left) and a "brightly lit" universe (right) that has five times more of the energetic photons that destroy neutral hydrogen atoms. Hubble Space Telescope observations of hydrogen absorption match the picture on the right, but using only the known astronomical sources of ultraviolet light produces the much thicker structures on the left, and a severe mismatch with the observations. [1]
We are always haunted by the things that SHOULD be there.
We are always defined by the things that SHOULD happen.
Let go of your assumptions.
It is the only way to truly DO science!

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