Astrophysics Seminars

The fast-paced discovery of extrasolar planets has heightened interest in the mechanisms by which planets form. The early stages of planet formation -- growth from dust grains to "planetesimals" larger than a kilometer -- is a long-standing problem...

Four centuries ago the son of an Italian lutenist constructed the telescopes with which he would observe the Solar System and forever alter humanity's perception of its place in the Cosmos. Today, that perspective continues to change with the...