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tatarjj
scholastic sledgehammer
Reged: 04/20/04
Posts: 905
Loc: Auburn, AL
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Re: The vast "empty quarter" east of Sagittarius
07/28/08 01:58 PM
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We're sitting in the middle of a cosmic web of matter. Long filaments and vast voids. These "empty" regions of the sky simply represent areas where we are looking out into one of the voids in the universe. With medium and large telescopes you can see galaxies on the other side of the void, and these relatively "sparse" regions fill in. In fact, as a large telescope user, I consider Bootes, Capricornus, and Cetus as rather fertile ground for distant galaxy observing. Many of these galaxies aren't very distant at all, only a few hundred million light years, if that. In fact, as long as there isn't the milky way in your way, you can see huge numbers of distant galaxies in every constellation with a large telescope.
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John T.
Auburn, AL
25" f/4.2 Dob
18" Obsession #701
4" Stellar Vue Achromat
8X56 Binos
Edited by tatarjj (07/28/08 02:03 PM)
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