Astronomers discover dusty galaxies at ancient epoch, track build-up of star- and planet-forming material
Tuesday, October 9, 2012 - 14:32
in Astronomy & Space
(Phys.org)—Dust is an annoyance in everyday life, but an important building block of stars and planets. As such, astronomers need to understand how cosmic dust forms over time—it's an integral step in figuring out the evolution of galaxies, and the stars and planets within them.