Cosmic smash-up provides proof of dark matter
Cosmic smash-up provides proof of dark matter - space - 21 August 2006 - New Scientist Space
SO ... Long story short .. 100 Million years ago ... two galaxies smash into each other at 10.49 MILLION miles per hour .... Unleashing enough energy to vaporize the Earth ... ten trillion trillion times ..... the gas in each of these two galaxies (which exists in about a 10 X surplus to the star-matter in them) exerts a drag on each other, and is separated out ... while the stars and Dark Matter keep on moving their merry way.
Reason being ...... Electromagnetism doesn't affect Dark Matter AT ALL .
It does affect and slow gas.
Normal Baryonic matter only interacts with Dark Matter through exchanges mediated by gravitons, i.e. Gravity. This would tend to make sense. Photons are the mediators of electromagnetic force ... and Dark Matter seems not to emit or interact with photons.
More HERE ... and HERE.
SO ... Long story short .. 100 Million years ago ... two galaxies smash into each other at 10.49 MILLION miles per hour .... Unleashing enough energy to vaporize the Earth ... ten trillion trillion times ..... the gas in each of these two galaxies (which exists in about a 10 X surplus to the star-matter in them) exerts a drag on each other, and is separated out ... while the stars and Dark Matter keep on moving their merry way.
Reason being ...... Electromagnetism doesn't affect Dark Matter AT ALL .
It does affect and slow gas.
Normal Baryonic matter only interacts with Dark Matter through exchanges mediated by gravitons, i.e. Gravity. This would tend to make sense. Photons are the mediators of electromagnetic force ... and Dark Matter seems not to emit or interact with photons.
More HERE ... and HERE.
posted by Deep Hal at 5:03:00 AM
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