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Read news from the world of astronomy for the week of September 27, 2024.

Scientists think a ring of rocks and dust once orbited the Earth hundreds of millions of years ago. Plus, a new mini-moon will briefly accompany Earth starting September 29th. And check out our observing guide on Saturn's moons.

Did a Ring of Rocks and Dust Orbit Earth Before the Dinosaurs Roamed?


Scientists think a clustering of ancient impact craters points to a temporary ring around Earth hundreds of millions of years ago.

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Earth's New Temporary Mini-moon Arrives This Weekend


Starting September 29th, another moon of sorts will briefly accompany Earth. The house-size asteroid will stick around less than 2 months.

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Observing Highlights

This Week's Sky at a Glance, September 27 – October 6


This is the time of year when the rich Cygnus Milky Way crosses the zenith about an hour after full dark. Leo, best known as an evening constellation of late winter and spring, is already emerging in the dawn to begin its long annual apparition.

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See Mutual Events, Close Approaches of Saturn's Moons


As Saturn’s rings narrow, now’s the time for its moons to shine.

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September Podcast: Exploring Vega’s Neighborhood


Use this month’s Sky Tour podcast to check out a very special Harvest Moon, track down all five bright planets, and bounce around the Summer Triangle.

Presented by: Celestron.

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Community

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Iowa Star Party


Enjoy a multi-day stargazing event under the dark skies of the Whiterock Conservancy near Coon Rapids, Iowa. In addition to dark skies and the opportunity to interact with other astronomy enthusiasts, the event offers camping, hiking and canoeing. 

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Greenland Eclipse-Aurora Getaway, March-April 2025


Lots of travelers dream of visiting Greenland, and now Sky & Telescope will take you there — to be awed by dramatic glaciers, beautiful auroras, and a deep partial solar eclipse.

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