News tagged with planetary accretion

How stellar death can lead to twin celestial jets

(Phys.org) —Astronomers know that while large stars can end their lives as violently cataclysmic supernovae, smaller stars end up as planetary nebulae – colorful, glowing clouds of dust and gas. In recent ...

Feb 12, 2014
4.5 / 5 (8) 0 | with audio podcast

Modeling Jupiter and Saturn's possible origins

New theoretical modeling by Carnegie's Alan Boss provides clues to how the gas giant planets in our solar system—Jupiter and Saturn—might have formed and evolved. His work was published recently by the ...

Mar 05, 2013
4 / 5 (1) 0 | with audio podcast

When stellar metallicity sparks planet formation

New research predicts the criteria needed for Earth-like planets to form around a star that have one-tenth the metallicity of our Sun. If researchers find small, rocky planets orbiting stars with lower metallicity, ...

Apr 10, 2012
5 / 5 (1) 9 | with audio podcast