Slashdot Mirror

← Back to Stories (view on slashdot.org)

Galaxy Sans Dark Matter

Posted by samzenpus on from the nothing-extra dept.

ChromaticDragon writes "Astronomers have crunched some numbers on a galaxy to discover that its rotation can be fully explained by the gravity of the observable matter — in effect, this galaxy seems to lack dark matter. This shouldn't come as a total surprise given that one of the stronger observations of Dark Matter was the Bullet Cluster where supposedly a good deal of Dark Matter and good old fashion regular matter had separated."

1 of 92 comments (clear)

  1. Re:Impact on gravity theories by Dr.+Tom · · Score: 0, Flamebait

    MOND is KAKA. General Relativity is already the best theory. Using Newton's equations to describe anything other than a high-school physics experiment is a waste of time. If you use GR to model the rotation of a galaxy you get the observed rotation; dark matter is epicycles, created because Newton's equations don't work. The original calculations of galactic rotation used Newton's equations, and attempted to fix the problem by postulating dark matter. WRONG. WRONG. WRONG.