In a constellation in the Southern Hemisphere is a phenomenon that began between 200 and 300 million years ago. It is the collision and merging of two Spiral galaxies that is both destroying them and creating thousands of new stars at the same time. NASA calls this a "state of starburst," whereby all of the gasses within the galaxies are being burned up in the creation of the stars.
The largest amount of these gasses is hydrogen and it surrounds the galaxies in long clouds that stream out away from them. These hydrogen clouds are what give the Antennae Galaxy its name: on either side of the collision they form long arms that arch like an insect antennae.
by Jerry Macon
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