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Read news from the world of astronomy for the week of November 24, 2023.

The International Astronomical Union has named an asteroid after S&T's Contributing Editor Gary Seronik! Plus, astronomers spotted a brilliant flash of blue light that just keeps exploding. And learn how the ancients predicted solar eclipses.

Latest News

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Astronomers Find a Brilliant Explosion That Just Keeps On Exploding


A brilliant flash of blue light briefly outshined its host galaxy before fading away — but then it exploded again, and again.

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Observing Highlights

This Week's Sky at a Glance, November 24 – December 2


The bright waxing gibbous Moon passes Jupiter this evening and tomorrow evening. As the stars come out, the Cassiopeia W stands on end (its fainter end) high in the northeast. Watch Cas turn around to become a flattened M, even higher in the north, by late evening.

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How Did the Ancients Predict Eclipses? The Saros Cycle


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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November Podcast: Horse, Dolphin, Arrow, and Fish


With Jupiter and Saturn leading the way, you can use this month’s Sky Tour podcast to track down some lesser-known constellations — and the most distant celestial object you can see with your eyes!

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Community

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How To: Observing in the City


Join Dr. Brian Kloppenborg, AAVSO's Executive Director, via Zoom for free (registration required) as he shares his experience with observing from urban environments, and provides advice and techniques for making the experience more productive.

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Asteroid Named for Sky & Telescope’s Gary Seronik


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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Sky & Telescope Branded Products Now Available!


Want to show off your love for Sky & Telescope to all your friends? Be the talk of the star party with our new merch! They also make great gifts for everyone on your shopping list this holiday season.

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