Are Galaxies Embedded In Halos Of Dark Matter?
The NASA/ESA Hubble Space Telescope says a look into the heart of the Perseus galaxy has provided evidence that galaxies are embedded in halos of dark matter. Small galaxies have remained intact while larger galaxies around them are being ripped apart by the gravitational tug of other galaxies.
The explanation? The undisturbed galaxies are enshrouded by a "cushion" of dark matter that protects them.
Dark matter is a theoretical invisible form of matter that accounts for most of the Universe's mass. Astronomers have deduced the existence of dark matter by gravitational influences…