Magazine | Page 265 of 278 | Astronomy.com

I recently read about the high wind speeds on Saturn and the other gas-giant planets. What is wind speed on a gas giant measured relative to?

Watching over the night

Pushing the limits

Deep-Sky Objects, Observing

Deep-sky tour challenges for winter

What is the source of the term “right ascension”? Why is it right ascension and not simply ascension, as with declination?

Glenn Chaple’s observing basics: Gettin’ shapes

Science, Solar System

Do the giant planets – Jupiter, Saturn, Neptune, and Uranus – have solid cores? If so, what are they made of?

The Full Moon turns copper

Bob Berman’s strange universe: Behind the galaxy

How can CCD images just a few minutes long be combined into one photo that shows details not visible in the originals?

Death of the Sun

Family ASTRO