Mark Zastrow
- Indexed articles, last 90 days
- 4
- Latest publication
- Aug 21, 2026
- Outlet visibility, for Astronomy Magazine
- Top 500K sites
- Earliest in this view
- Jul 6, 2026
Latest articles
Geminid melodies | Astronomy.com (opens the original)
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The Geminid meteor shower in mid-December is one of the highlights of the observing year, with as many as 120 meteors visible per hour from a dark site. To capture them, Qu Xiaofeng set off for the grasslands of Hongyuan County in China’s northwest Sichuan province, known for its wide expanses at altitudes above 11,000 feet (3,400 meters). On Dec. 14, 2025, as the shower peaked, Qu set up a camera, pulled out a guitar, and took this self-portrait below the ruddy glow of Barnard’s Loop in Orion.
The Moon’s hidden southwest corner (opens the original)
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Damian Peach from Hampshire, U.K. Favorable libration briefly tilts the Moon’s southwestern limb into view in this image, exposing three heavily foreshortened craters: Bailly (center left) at roughly 180 miles (300 kilometers) across; the well-preserved Hausen (upper left); and 149-kilometer Drygalski (upper right), so close to the limb it is normally hidden entirely, and liesContinue reading "The Moon’s hidden southwest corner" The post <a href="https://www.astrono
From the Editor, July 2026: See it for yourself (opens the original)
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As the Artemis 2 mission unfolded in April, I found myself glued to NASA’s YouTube stream, in every room of our home. There were plenty of exciting events, from launch to lunar flyby to splashdown. But for me, the most thrilling moments weren’t what we saw. It was what we heard when the crew reacted to those sights: the farside of the Moon, a total solar eclipse, our own home planet. Their joyous exclamations were exhilarating. They reminded me of the same wonder I’ve heard when people look thro
Rings within rings (opens the original)
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Warren Keller/Mike Selby, taken from Observatorio El Sauce, Chile NGC 7098 is a barred spiral galaxy around 100 million light-years away in the southern constellation Octans. Its unusual double-ring structure — a bright bar wrapped by an inner ring of tightly wound arms and a fainter outer ring — stands out against a deep fieldContinue reading "Rings within rings" The post Rings within rings appeared first on
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