Discover the Night: International Dark Sky Week is Here!

City lights erase all however the brightest objects from night time skies. Joshua Hanson / International Dark-Sky Association If you reside in the United States or Europe, likelihood is you’re among 99% of the population that experiences skyglow, the brightening of the night time sky resulting from avenue and home lights. Skyglow — and different …

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A tiny crystal device could boost gravitational wave detectors to reveal the birth cries of black holes

This article was initially revealed at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. David Blair, Emeritus Professor, ARC Centre of Excellence for Gravitational Wave Discovery, OzGrav, University of Western Australia In 2017, astronomers witnessed the birth of a black hole for the first time. Gravitational wave detectors picked up the ripples …

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What do birds have to do with stargazing? A lot, it turns out.

Like many individuals staying dwelling in the course of the coronavirus pandemic, I have lately gotten into a brand new interest: bird-watching.  Last fall I arrange a chicken feeder in my yard and instantly turned fascinated by the variety of completely different avian varieties attracted to it. When I recognized a red-bellied woodpecker utilizing a …

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Tibet Observatory Confirms Existence of Galactic PeVatrons

Move over, CERN. Unknown sources within the Milky Way dubbed “PeVatrons” speed up protons to energies of a couple of peta-electronvolts – dozens of occasions greater than the yield of the Large Hadron Collider. Now, new knowledge from a high-altitude experiment in Tibet verify that such very-high-energy cosmic rays are certainly produced in our personal …

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April: Follow the Moon

As you’ll be taught on this month’s Sky Tour astronomy podcast, the Moon circles round the complete sky every month and — alongside the way — passes by many vivid stars and planets. For instance, earlier than daybreak on April sixth, you will discover the crescent Moon about 5° — half of a fist — …

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Mutual Event Season Heats Up at Jupiter

In this 11.4-minute sequence taken with a 14-inch Schmidt-Cassegrain telescope, Europa first occults after which partially eclipses Io on February 7, 2015, over the past mutual occasions season. Here’s the animated version.John Sussenbach After their spectacular Great Conjunction final December, Jupiter and Saturn overwintered within the solar glare, misplaced from sight. They’ve now returned to …

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