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FROM: HHS HealthBeat (May 24, 2012) Fearing death, doing good Researchers say that having to think about death can bring out the good in...
Friday, March 11, 2016
Frontier Fields Galaxy Cluster MACS J0717
Frontier Fields Galaxy Cluster MACS J0717: 'Frontier Fields' galaxy cluster MACS J0717, one of the most complex and distorted galaxy clusters known, is the site of a collision between four clusters. It is located about 5.4 billion light years away from Earth.
