astrophysics

Here's How Scientists Can Determine The Age Of A Galaxy

A novel technique involves counting stars' twinkles.

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When Two Galaxies Collide, Here's What Happens To Their Stars

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What's The BIGGEST Thing In The Universe?

What's the biggest known structure in the universe? A recent study may have found the answer -- and the structure's very existence has puzzled scientists. Meet the Hercules-Corona Borealis Great Wall (Her-CrB GW).

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