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Mapping the universe in 3-D

In 1998, scientists discovered that the universe's expansion is accelerating. Physicists don't know how or why the universe is accelerating outward, but they gave the mysterious force behind this phenomenon a name: dark energy.

dateAug 15, 2018 in Astronomy
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Unraveling the stellar content of young clusters

About twenty-five percent of young stars in our galaxy form in clustered environments, and stars in a cluster are often close enough to each other to affect the way they accrete gas and grow. Astronomers trying to understand ...

dateAug 14, 2018 in Astronomy
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Hubble images Milky Way's big sister

This image taken by the NASA/ESA Hubble Space Telescope's Wide Field Camera 3 (WFC3) shows a beautiful spiral galaxy called NGC 6744. At first glance, it resembles our Milky Way albeit larger, measuring more than 200,000 ...

dateJul 31, 2018 in Astronomy
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