Topics » Science & Technology   April 18, 2012

Space Tornadoes, Baby Stars, and Ancient Galaxies

When Galaxies Collide

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Space TornadoThe Orion NebulaThe Helix NebulaThe Trifid NebulaThe "Mountains of Creation"Stellar WindsThe Center of the Milky WayWhen Galaxies CollideThe Sombrero GalaxyGalaxies from the Big Bang

When Galaxies Collide

The Whirlpool Galaxy, the red spiral, and its companion galaxy, NG 5195 are 23 million light-years from Earth - that's relatively close. IRAC shows the warm dust in red, a sign of active star formation probably triggered by a collision between the two galaxies.