Magazine | Page 202 of 278 | Astronomy.com

The constellation Ophiuchus lies partly on the ecliptic, so why isn’t it considered one of the zodiacal signs?

More of Adam Block’s awesome universe

Reader Gallery web extra: A great region in the winter sky

Tales from the Arizona Sky Village

David H. Levy’s Evening Stars: A David Levy sky

Observing Ursa Major galaxies through a large scope

If Io continues to erupt at the fast rate it does now, could all of the moon’s insides end up on the surface, causing it to collapse onto itself and start the process all over again?

Binocular Universe web extra: More southern-sky treasures

Bob Berman’s Strange Universe: Light fantastic

Ask Astro web extra: What is the difference between an open cluster and a globular cluster?

The early reflectors

Free preview: Phil Harrington’s Binocular Universe, “Survey the southern sky”