The Asianman
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Milky Way Appears to be Void of Dark Matter —“The Mystery of Dark Matter Deepens —A New Solution for the Missing Mass Problem Must be Found.”
The most accurate study so far of the motions of stars in the Milky Way has found no evidence for dark matter in a large volume around the Sun. According to widely accepted theories, the solar neighborhood was expected to be filled with dark matter, a mysterious invisible substance that can only be detected indirectly by the gravitational force it exerts. 
A new study by a team of astronomers in Chile has found that these theories just do not fit the observational facts. This may mean that attempts to directly detect dark matter particles on Earth are unlikely to be successful.
A team using the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory, along with other telescopes, has mapped the motions of more than 400 stars up to 13 000 light-years from the Sun. From this new data they have calculated the mass of material in the vicinity of the Sun, in a volume four times larger than ever considered before.
(via dailygalaxy)

I think we’re going to be very surprised when we finally figure out what “dark matter” is.  None of the current explanations sit right with me. 

moderation:

Milky Way Appears to be Void of Dark Matter —“The Mystery of Dark Matter Deepens —A New Solution for the Missing Mass Problem Must be Found.”

The most accurate study so far of the motions of stars in the Milky Way has found no evidence for dark matter in a large volume around the Sun. According to widely accepted theories, the solar neighborhood was expected to be filled with dark matter, a mysterious invisible substance that can only be detected indirectly by the gravitational force it exerts. 

A new study by a team of astronomers in Chile has found that these theories just do not fit the observational facts. This may mean that attempts to directly detect dark matter particles on Earth are unlikely to be successful.

A team using the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory, along with other telescopes, has mapped the motions of more than 400 stars up to 13 000 light-years from the Sun. From this new data they have calculated the mass of material in the vicinity of the Sun, in a volume four times larger than ever considered before.

(via dailygalaxy)

I think we’re going to be very surprised when we finally figure out what “dark matter” is.  None of the current explanations sit right with me. 

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