Galaxies on the go
Millions of stars are mysteriously racing toward one point in the sky
By Susan Gaidos, 00:00 AM November 4, 2008
Galaxy clusters (white spots) are shown on a map of the cosmic microwave background, or CMB. The clusters appear to move, on average, in one direction (toward the purple spot).
|NASA, WMAP, Kashlinsky et al.|
Scientists have a mystery of cosmic proportions on their hands. Recently astronomers noticed something strange. It seems that millions of stars are racing at high speeds toward a single spot in the sky.
Huge collections of stars, gas and dust are called galaxies. Some galaxies...
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