A Crescent Saturn

19 years ago

Saturn crescent with Mimas, Rhea and Tethys. Image credit: NASA/JPL/SSI. Click to enlarge This view of Saturn shows a thick…

Storms Never End on Saturn

19 years ago

The Dragon storm. Image credit: NASA/JPL/SSI Click to enlarge On Earth we have hurricane season, and a welcome break in…

The Hunt for Gravity Waves

19 years ago

As part of his general theory of relativity, Einstein predicted that mass should emit gravity waves. They'll be weak, though,…

Twin Open Clusters by Hubble

19 years ago

Star clusters in small magellanic cloud. Image credit: ESA/NASA. Click to enlarge The Hubble Space Telescope has captured these stunning…

What’s Up This Week – April 18 – April 23, 2006

19 years ago

M102: "The Spindle Galaxy". Image credit: NOAO/AURA/NSF . Click to enlarge. Greetings, fellow SkyWatchers! This week begins with a meteor…

Astrophoto: Zodiacal Light by Tony and Daphne Hallas

19 years ago

Zodiacal Light by Tony and Daphne Hallas The night sky, from a dark location, is filled with many sights full…

Building an Antimatter Spaceship

19 years ago

If you're looking to build a powerful spaceship, nothing's better than antimatter. It's lightweight, extremely powerful and could generate tremendous…

Titan and Epimetheus Behind the Rings

19 years ago

Titan and small Epimetheus behind Saturn's rings. Image credit: NASA/JPL/SSI. Click to enlarge This Cassini photograph shows Saturn's large, smoggy…

Mars Reconnaissance Orbiter Adjusts its Orbit

19 years ago

The large Argyre Basin in Mars' southern hemisphere. Image credit: NASA/JPL/MSSS. Click to enlarge NASA's Mars Reconnaissance Orbiter has sent…

The Strange Nebula Around Eta Carinae

19 years ago

One of the five PHOENIX spectrograph of Eta Carinae. Image credit: Gemini Observatory/AURA. Click to enlarge Eta Carinae is an…