Crescent Moon Comeback / See Tonight’s Mars-Uranus Duet In Binoculars

Annular solar eclipse as viewed from Coyhaique, Chile Let’s start today with time lapse video of Sunday’s “ring of fire” solar eclipse. It mixes images of sun in eclipse with the human scene. Notice that even at maximum eclipse — when most of the sun was covered — it was still “sunny” outside. It’s hard to…
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It’s A Blast! Supernova 1987A Celebrates 168,030th Birthday

Reaching magnitude +3 and easily visible to the naked eye, supernova 1987A was the closest and brightest supernova explosion since Kepler’s Supernova in 1604. It made a sudden appearance 30 years ago on February 23, 1987 in the Large Magellanic Cloud, a satellite galaxy of the Milky Way located 160,000 light years away in the…
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How To Watch February 26th’s ‘Ring Of Fire’ Eclipse

If you’re wondering where the moon’s disappeared to, it’s in the wings waiting to eclipse the sun. On Sunday, the new moon will pass centrally in front of the sun, eclipsing it for skywatchers living along a narrow path that slices across southern Chile, Argentina, the South Atlantic and southeastern Africa. Watch the eclipse starting at…
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Alien Solar System Amazes With Seven Earth-Sized Planets

It took decades to find the first Earth-sized planet. Now, astronomers have found seven of them in one fell swoop! They orbit the cool (literally cool) red dwarf star, TRAPPIST-1, 40 light years away in the constellation Aquarius. Using ground and space telescopes, the planets were all detected as they passed in front of their parent star, causing its…
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Solar Hole Could Kick Up Auroras Tonight

The aurora’s been practically out of sight the past couple months unless you live in central Canada and points north. For U.S. observers, only a couple of weak displays — usually a mustache of pale green light just above the northern horizon — have been sighted. The scene might get livelier soon with a minor…
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