The International Astronomical Union has named the asteroid provisionally designated as 1993 FE15 after Sky & Telescope's Contributing Editor Gary Seronik: 20046 Seronik.
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Space News & Blog Articles
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A brilliant flash of blue light briefly outshined its host galaxy before fading away — but then it exploded again and again, shedding light on the nature of its source.
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Observers across much of the U.S. and Canada have a unique opportunity Monday night, November 20–21, to see Uranus's brightest moon occult a star.
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Before the advent of computers or even a working theory of the solar system, the ancients predicted solar eclipses. How did they do it?
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The bright gibbous Moon this week passes Saturn, then Jupiter, inviting telescopes of all sizes. And as winter approaches, Orion rises earlier and earlier.
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The distribution of elements seen in the samples of Ryugu brought back by Hayabusa 2 hints at a wet past.
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A mere 200 light-years away, there's a planet with the density of styrofoam and clouds of sand. How did it get so weird?
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Jupiter's Great Red Spot may be reaching a milestone this year by shrinking to its smallest size in recorded observational history.
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New data provide direct evidence for the existence of atomic oxygen in Venus's upper atmosphere, enabling new science on our sister planet.
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New observations have turned up evidence that icy pebbles deliver the water to inner regions of planet-forming disks.
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Astronomers are gearing up for an unusual celestial event: an asteroid’s occultation of an iconic star.
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The crescent Moon slips down into the sunrise and then up in the afterglow of sunset, guiding the way to the last stars of Sagittarius right after dark. A few days later it passes Saturn.
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The Hubble and Webb Space Telescopes have revealed a bounty of galaxies in a pair of colliding clusters, capturing twinkling lights within.
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Enif, the nose of Pegasus, is a supergiant star and the brightest member of the constellation. Find out more about this star and its place in our skies.
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The Horsehead Nebula and other stunning scenes highlight the talents of the just-launched Euclid mission. The telescope will reach into the depths of the cosmos to understand dark matter and dark energy.
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Ad astra per aspera — to the stars through hardship. The saying applies universally, but personally, it might hit home in different ways.
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The Lucy mission's flyby of the main-belt asteroid Dinkinesh resulted in a surprise — yet another asteroid moon!
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The Great Square, now upright, guides your way down to Fomalhaut and Diphda and, farther down, Alpha Phoenicis – a chance to add a new constellation to your life list.
And plan to catch the Moon-Venus pairing in early dawn on the 9th.
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A "smoking gun" for the ancient calamity that formed Earth’s large Moon may still exist deep in the mantle of our planet.
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A new forecast suggests that sunspot numbers, aurorae, and other solar activity will peak sooner and at a higher level than expected.
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Alien invasion or flares from satellites in multiple orbits? It depends on your point of view. We also check in on Comet Lemmon, poised to possibly reach binocular-visibility.
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