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ask-astro-web-extra-what-is-the-difference-between-a-nova-and-a-supernova https://www.astronomy.com/issues/2009/page/17/ 2009 Issue | Page 17 of 17 | Astronomy.com InStock USD 1.00 1.00 stars article ASY 2023-05-18 2009-01-26 36666
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2009

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

Ask Astro web extra: What is the difference between a nova and a supernova?

Observing

More galaxy groups to observe

Stars

What was the most powerful supernova blast ever seen?

Observing

Stephen James O’Meara’s Secret Sky: Serpents of the air

Stars

I’ve read about stellar explosions propagating at “supersonic speed.” On Earth, supersonic means faster than the speed of sound. How does this idea apply to stars?

Deep-Sky Objects

Phil Harrington’s Binocular Universe: Messier madness

Science

What can’t be causing the gravity anomalies

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