Cosmic Silhouettes give Rare Glimpse of Galaxies' Dust
Depicts: AM0500-620, AM1316-241
Copyright: W.C. Keel, R.E. White III (University of Alabama) and NASA
Show in archive: true
The amount of dust in typical galaxies, and its effect on what we see, has been a
topic of controversy since a 1990 paper by Edwin Valentijn challenged the
long-held view that galaxies are basically transparent. Valentijn used statistical
evidence from galaxy catalogs to suggest that most galaxies are virtually opaque.
Last Update: 1 September 2019