Features

Magellan Reveals Venus

Magellan’s landmark four-year survey of our celestial neighbor unveiled a dynamic geology remarkably different from that of Earth.

Hubble Maps Titan’s Unseen Landscape

The Space Telescope’s keen eye penetrates the smoggy atmosphere of Saturn’s largest moon to reveal its largest surface features.

Compelling Capella

Auriga’s brightest star actually consists of four stars – two yellow giants and two red dwarfs. The giants likely foretell the Sun’s fate.

Sky Almanac

Mars appears bright to the eye and big in the eyepiece throughout February, a month that also sees asteroid Ceres at its best for the year.

Discover the Daytime Star

Sunspots, flares, granules, and more await telescope owners who know how to observe and photograph the Sun safely.

Catching Comets with a CCD

It isn’t easy to capture color images of these celestial visitors as they race across the sky, but this CCD technique shows promise.

Seven Easy Star Clusters

Visit some bright but often overlooked clusters that dot the winter Milky Way in Perseus and Cassiopeia.

Completing the 10-Inch PortaScope

With the tube and mount finished, it’s time to build the mirror cell, add a finder, focuser, and diagonal, collimate the scope, and start observing.

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