Astronomers have carried out an observational campaign to study the extreme variability of the active galactic nucleus (AGN) SDSS J2232−0806, nicknamed the Big Dipper. Results of these observations, described in a paper ...
(Phys.org)—Comet Pan-STARRS C/2011 L4, discovered by the Pan-STARRS 1 telescope on Haleakala in June 2011, is expected to become visible to the naked eye in the Northern Hemisphere in March.
Space Exploration
Feb 21, 2013
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The familiar star Spica (Alpha Virginis) is the fifteenth brightest star in the night sky, in part because it is relatively nearby, only about 250 light-years away. It is easy to find by following the arc of the Big Dipper's ...
Astronomy
Apr 25, 2016
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Almost every person throughout the existence of humankind has looked up at the night sky and seen more than just a random scattering of light. Constellations of stars have helped us shape our own ongoing narratives and cultures—creating ...
Social Sciences
Aug 16, 2019
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Next time you spy the Big Dipper, keep in mind that there is another star, invisible to the unaided eye, contributing to this constellation.
Astronomy
Dec 10, 2009
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There are so many fun sights to see in the sky that are pure astronomical magic. And then there are the spectacular human-created sights. One of those sights is watching satellites from the Iridium constellation that—because ...
Space Exploration
Nov 25, 2014
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Comet Lovejoy reaches a pivotal point in its orbit next week when it comes closest to the sun. It will still be visible to earthbound skygazers, astronomers say.
Space Exploration
Dec 23, 2013
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A rare bright comet shows up in the northern hemisphere this week, cruising past Earth with promise of spectacular naked-eye viewings of the giant ball of ice and dust streaking the twilight sky with a blazing tail.
Space Exploration
Mar 6, 2013
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Usually, videos that feature aurora are timelapse videos, in order to show the normally slow movements of the Northern and Southern Lights. But here are some incredibly fast-moving aurorae shown in real time, as seen by astrophotographer ...
Space Exploration
Nov 4, 2014
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Jupiter will dominate the night during January from the time it rises until dawn, soaring high across the sky in the constellation Leo the Lion about 10 degrees northwest of Leo's brightest star, Regulus.
Space Exploration
Jan 5, 2015
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