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Why solar wind is rhombic-shaped?

Why the temperatures in the solar wind are almost the same in certain directions, and why different energy densities are practically identical, was until now not clear.

dateNov 15, 2011 in General Physics
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Astronomers pin down galaxy collision rate

(PhysOrg.com) -- A new analysis of images from the Hubble Space Telescope combined with supercomputer simulations of galaxy collisions has cleared up years of confusion about the rate at which smaller galaxies ...

dateOct 27, 2011 in Astronomy
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VLT looks into the eyes of the virgin

(PhysOrg.com) -- ESO's Very Large Telescope has taken a striking image of a beautiful yet peculiar pair of galaxies nicknamed The Eyes. The larger of these, NGC 4438, was once a spiral galaxy but has become ...

dateAug 24, 2011 in Astronomy
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