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Read news from the world of astronomy for the week of November 11, 2022.
Latest News
Worlds around red dwarf stars might build an ozone “shield” in response to stellar flares.
Archival Hubble Space Telescope images taken more than a decade ago have revealed an ancient star in the act of exploding.
Scientists have discovered one of the oldest planetary graveyards in the Milky Way: a cool white dwarf “polluted” with rocky debris.
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Observing Highlights
The waning gibbous Moon rises less than an hour after nightfall is complete, with Mars shining to its upper right. Saturn is at eastern quadrature today, 90° east of the Sun. Therefore, for a week or two before and after, a telescope shows the black shadow of Saturn's globe on the rings as wide and prominent as the shadow ever gets.

Download or stream our Sky Tour astronomy podcast to find out about this month’s lunar eclipse, possible meteor surprises, and much more.
Community
A nontechnical, illustrated talk by Andrew Fraknoi at the Commonwealth Club of California
Rock Auditorium, 110 The Embarcadero, San Francisco on Wednesday, Nov. 30th at 5:30 p.m. either in person or on-line.
During October, Editor in Chief Peter Tyson accompanied 19 adventurous skygazers on a 12-day expedition to Chile for a tour of breathtaking landscapes and the magnificent southern sky.