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_Astronomy版 - Astronomy Picture of Day: Dark Matter Map
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话题: matter话题: map话题: dark话题: cluster话题: day
1 (共1页)
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发帖数: 1994
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Dark Matter Map
Credit: J.-P. Kneib (Observatoire Midi-Pyrenees, Caltech) et al., ESA, NASA
Explanation: The total mass within giant galaxy cluster CL0025+1654, about 4.5 billion
light-years away, produces a cosmic gravitational lens -- bending light as predicted by
Einstein's theory of gravity and forming detectable images of even more distant background
galaxies. Of course, the total cluster mass is the sum of the galaxies themselves, seen as
ordinary luminous matter, plus the cluster's
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太阳旁的神秘气体Astronomy Picture of Day: Children of the Sun
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Astronomy Picture of Day: Ring GalaxyAstronomy Picture of Day: Galaxies in GOODS
Astronomy Picture of Day: Light Echoes from V838Astronomy Picture of Day: Color of Universe
Astronomy Picture of Day: V838 Light EchoAstronomy Picture of Day: Spiral Galaxy
Astronomy Picture of Day: Double EruptionsAstronomy Picture of Day: Hubble's Deep Field
相关话题的讨论汇总
话题: matter话题: map话题: dark话题: cluster话题: day