View Full Version : Spitzer Finds Hidden Galaxies

2005-Sep-10, 08:21 PM
SUMMARY: How do you hide some of the brightest galaxies in the Universe? Behind a shroud of dust, of course. NASA's Spitzer space telescope has uncovered a strange class of galaxies which are incredibly bright - shining with the light of 10 trillion suns - but obscured behind a thick veil of dust and gas. So, why are they so dusty? The dust is churned out by stars, but it's strange how well distributed it is. It could be that all galaxies started out this dusty, and then became clearer over time, or maybe the massive black hole at their center has something to do with it.

View full article (http://www.universetoday.com/am/publish/spitzer_hidden_galaxies.html)
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