Sentences with phrase «invisible dark matter halos»

«For example, the Milky Way should be surrounded by hundreds of small, invisible dark matter halos, but we have so far only detected less than 50 galaxies,» says Yozin.
Only a small percentage is visible as the stars, gas and dust; the rest is held in a large yet invisible dark matter halo.

Not exact matches

The best explanation is that almost 90 % of the total mass of the galaxy is an invisible substance, spread throughout the halo, called dark matter.
ALMOST two years ago, the astronomical world was set alight by the discovery of dim, point - like objects called MACHOs in the invisible halo of dark matter that surrounds our Galaxy (This Week, 25 September 1993).
Most large spiral galaxies, including our Milky Way, have a halo of invisible, or dark, matter surrounding the visible stars.
Ancient black holes, dwarf galaxies and invisible halos might unlock the secrets of dark matter.
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