Brightest

A new satellite has become one of the 20 brightest stars in the sky

A new satellite has become one of the 20 brightest stars in the sky

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Enlarge / Observing a BlueWalker 3 pass from Oukaimeden Observatory on November 16, 2022. The bright star in the lower left is Zeta Puppis. CLEOsat/Oukaimeden Observatory/IAU CPS/AE Kaeouach Last month, a Texas-based company announced that it had successfully deployed the largest ever commercial communications satellite into low Earth orbit. This BlueWalker 3 demonstration satellite measures …

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We Finally Know How Black Holes Produce the Brightest Light in the Universe

We Finally Know How Black Holes Produce the Brightest Light in the Universe

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For something that emits no light that we can detect, black holes love to blanket themselves in radiation. In fact, some of the brightest light in the Universe comes from supermassive black holes. Well, not really black holes themselves; it is the material that surrounds them as they actively suck up large amounts of matter …

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Brightest space explosion ever reveals possible hints of dark matter

Brightest space explosion ever reveals possible hints of dark matter

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Explore On Sunday, October 9, Judith Racusin was 35,000 feet in the air, en route to a high-energy astrophysics conference, when the largest cosmic explosion in history took place. “I landed, looked at my phone, and got dozens of messages,” said Racusin, an astrophysicist at NASA’s Goddard Space Flight Center in Maryland. “It was truly …

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