Space science
Stars don't form when big galaxies collide
Astronomers studying pictures of a nearby cluster of galaxies have recently discovered that high-speed collisions between large elliptical galaxies may prevent star form…
Spiral Galaxy
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Articles about Spiral Galaxy
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Space science
Shining spiral galaxies in the universe
ESO's Wide Field Imager has just captured a confusing picture of spiral galaxy Messier 83 - the galaxy looks a lot like our Milky Way but smaller.