Mysterious Dark Matter Blob Confounds Experts 151
mayberry42 writes "Astronomers using the Hubble Space Telescope are mystified by a merging galaxy cluster known as Abell 520 in which concentrations of visible matter and dark matter have apparently come unglued. A report on the Hubble observations, published in the Astrophysical Journal, raises more questions than answers about a cosmic pile-up that's occurring 2.4 billion light-years away. 'According to our current theory,' says Arif Babul, the study team's senior theorist, 'galaxies and dark matter are expected to stay together, even through a collision. But that's not what's happening in Abell 520. Here, the dark matter appears to have pooled to form the dark core, but most of the associated galaxies seem to have moved on.'"
Re:Observed Dark Matter? (Score:5, Informative)
Re:Observed Dark Matter? (Score:5, Informative)
Re:Observed Dark Matter? (Score:5, Informative)
Re:Not to be pedantic, but (Score:5, Informative)
There's pedantry which serves the useful purpose of correcting other people's mistakes, and then there's pedantry of the "look how clever I am" variety; posts like yours, which seem to get posted to every single story on any kind of astronomical event that takes place outside the solar system, are examples of the latter.
There is an excellent word for this and it means far more than just "pedant" and it's Finnish.
The word is pilkunnussija, literally "comma fucker"
The more you know.
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BMO - perkele
Re:Observed Dark Matter? (Score:3, Informative)