News tagged with dusty disk

Want to make planets? Better hurry

Currently, astronomers have two competing models for planetary formation. In one, the planets form in a single, monolithic collapse. In the second, the core forms first and then slowly accretes gas and dust. ...

May 24, 2011 5 / 5 (1) 18

How the Earth survived birth

For the last 20 years, the best models of planet formation—or how planets grow from dust in a gas disk -- have contradicted the very existence of Earth. These models assumed locally constant temperatures within a disk, ...

Jan 07, 2010 4.1 / 5 (7) 1 | with audio podcast