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‘Phoenix’ Aurora Spreads Its ‘Wings’ Over Abandoned Military Power Station in Russia

The majestic, bird-shaped aurora spreads its wings over a destroyed military hydroelectric station, located two hours away from Murmansk, Russia. Credit: Copyright Alexander Stepanenko Against the star-spattered backdrop of the night sky in Russia, glowing green lights of a spectacular aurora rise in the shape of a giant firebird, its wings spread over an abandoned …

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Hubble finds universe may be expanding faster than expected

This illustration shows the three steps astronomers used to measure the universe’s expansion rate to an unprecedented accuracy, reducing the total uncertainty to 2.4 percent. Astronomers made the measurements by streamlining and strengthening the construction of the cosmic distance ladder, which is used to measure accurate distances to galaxies near and far from Earth. Beginning …

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Dozens of new variable stars found in a dense globular cluster

Messier 54 as imaged by the Hubble Space Telescope. Credit: ESA/Hubble & NASA June 1, 2016 by Tomasz Nowakowski (Phys.org)—Located some 87,000 light years away, a dense globular cluster named Messier 54 (also known as NGC 6715) is a real gold mine for astronomers. Recently, an international team has discovered dozens of new variable stars …

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Close-up view of galaxies prompts re-think on star formation

This is the “South Pillar” region of the star-forming region called the Carina Nebula. Like cracking open a watermelon and finding its seeds, the infrared telescope “busted open” this murky cloud to reveal star embryos tucked inside finger-like pillars of thick dust. Credit: NASA November 10, 2015 Astronomers have identified for the first time one …

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