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The Dragon clash

NGC 5907 is a spiral galaxy lying in the Dragon constellation, showing extraordinary large loops and currents of stars in its surrounding halo. According to researchers, it could have been formed through a ...

dateFeb 23, 2012 in Astronomy
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Where do stars form in merging galaxies?

Collisions between galaxies, and even less dramatic gravitational encounters between them, are recognized as triggering star formation. Observations of luminous galaxies, powered by starbursts, are consistent ...

dateMar 02, 2015 in Astronomy
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Violent origins of disc galaxies probed by ALMA

For decades scientists have believed that galaxy mergers usually result in the formation of elliptical galaxies. Now, for the the first time, researchers using the Atacama Large Millimeter/sub-millimeter ...

dateSep 17, 2014 in Astronomy
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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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