ASTRON C10 Lecture Notes - Lecture 29: Milky Way, Einstein Ring, Vera Rubin

• School: Berkeley
• Department: Astronomy
• Course: ASTRON C10
• Professor: Alexei Filippenko

Document Summary

If typical star is 0. 5 solar masses, there are about 200 billion stars within the sun"s orbit! But the field was messy: a few other people were coming to similar conclusions. Maybe the committee considered there were too many of them . Possible dark matter candidates black holes (unlikely) neutron stars brown dwarfs. These are seen around many large clusters of galaxies. Distribution of arcs depends on the total mass of the cluster of galaxies! Conclude that many clusters are dominated by .