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View Full Version : Dwarf Galaxies That Dance? Andromeda Observations Reveal A Larger Cosmic Mystery



Fraser
2014-Jul-21, 03:00 PM
What is up with these dwarf galaxies? A survey of thousands of galaxies using the Sloan Digital Sky Survey reveals something interesting, which was first revealed by looking at the massive Andromeda Galaxy nearby Earth: dwarf galaxies orbiting larger ones are often in disc-shaped orbits and not distributed randomly, as astronomers expected. The finding follows […]

More... (http://www.universetoday.com/113356/dwarf-galaxies-that-dance-andromeda-observations-reveal-a-larger-cosmic-mystery/)