Supernova is a dust factory
Grains of matter spewed by explosion offer clues to early star formation
By Andrew Grant, 17:20 PM January 7, 2014
OXON HILL, Md. — The remnant of a recent supernova contains nearly a star’s mass of dust. The dust’s presence provides strong evidence that similar explosions distributed dust that seeded bursts of star formation billions of years ago.
For astronomers, dust is a bit different from the stuff on your dresser. Dust forms in space when searing-hot atoms of carbon, oxygen and silicon cool and clump together into solid grains as large as a thousandth of a centimeter across. These grains permeate the...
Source URL: https://www.sciencenews.org/article/supernova-dust-factory