HST and 'dark matter' |
HST and 'dark matter' |
Guest_PhilCo126_* |
May 11 2007, 05:13 PM
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#1
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Guests |
ASA Updates Plans for Hubble 'Ring Of Dark Matter' Briefing
GREENBELT, Md. - NASA will hold a media teleconference at 1 p.m. EDT on May 15 to discuss the strongest evidence to date that dark matter exists. This evidence was found in a ghostly ring of dark matter in the cluster CL0024+17, discovered using NASA's Hubble Space Telescope. The ring is the first detection of dark matter with a unique structure different from the distribution of both the galaxies and the hot gas in the cluster. The discovery will be featured in the June 20 issue of the Astrophysical Journal. |
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May 17 2007, 07:53 AM
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#2
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Member Group: Members Posts: 877 Joined: 7-March 05 From: Switzerland Member No.: 186 |
From the Hubble site http://hubblesite.org/newscenter/archive/r...007/17/image/a/ The blue structure shows the possible 'dark matter' and is superimposed on a Hubble image of the cluster. A bit too detailed in this image I guess The PDF data release: http://www.spacetelescope.org/news/science...70246.proof.pdf If you like have a look at the big Hubble image of the cluster too... Wow, what a huge linse there! Edited: There is yet another interesting part of the release here. An animation (see Video 2) that zooms in from the naked eye view of the night sky to the small section image of the cluster. At the beginning, on the right is the asterism “Great Square of Pegasus”, and top middle, just out of view, the Andromeda galaxy. To the left is the constellation of Pisces, and leftmost the redish Mira. -------------------- |
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