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celebrating-a-century-of-variable-star-astronomy https://www.astronomy.com/issues/2021/page/4/ 2021 Issue | Page 4 of 11 | Astronomy.com https://www.astronomy.com/uploads/2023/03/ASYVS0921_01.png InStock USD 1.00 1.00 stars article ASY 2023-05-18 2021-10-05 117817
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2021

The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level.
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Stars

Celebrating a century of variable star astronomy

Astrophotography, Observing, Telescopes and Equipment

How to image the cosmos in Hydrogen-alpha with the Canon Ra

Solar System, The Sun

Ask Astro: How often do two different solar eclipses cross paths?

Observing, Telescopes and Equipment

Astronomy’s 11th annual Star Products

Observing

Sky This Month: October 2021

The Sun, Upcoming Events

Where to see the next solar eclipse

Deep-Sky Objects, Galaxies, Observing

These are the most peculiar galaxies you can observe

Telescopes and Equipment

Explore the sky with Oberwerk’s 20×65 ED Deluxe binoculars

Deep-Sky Objects, Stars

Untangling the Tarantula Nebula, the sky’s largest stellar nursery

Science

The rise and fall of Arecibo Observatory – an oral history

Astronomy for beginners, Observing

Ask Astro: Why are so many stars named Gliese?

Exotic Objects, Galaxies

Ask Astro: Do supermassive black holes create bars in galaxies?

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