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2012

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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Observing

Why do brighter astronomical objects have negative magnitudes?

Science

As Earth’s axis precesses over 26,000 years, what bright stars become the North Star?

Lunar eclipse geometry
Science, The Moon

Why can we still see the Moon’s disk during a total lunar eclipse?

Orion Nebula
Observing, Observing Basics

How do light pollution filters work?

Exoplanets, Planets

Dance of the spirits

Solar System

How massive must a colliding body be to disturb Earth’s orbit?

Science

Do globular clusters form in a galaxy’s halo or migrate in from outside? If the latter, how?

Science

What is the heaviest element that astronomers can detect?

Science

Comet cooking 101

Science

Stars and nebulosity

Exoplanets, Planets

Would it be possible to find a moon around an extrasolar planet? If so, how?

Science

Martian shadows

Posts pagination

1 2 3 … 14 Older posts
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