Audio: Planetary Disk That Refuses to Grow Up

19 years ago

With new instruments, astronomers are filling in all the pieces that help to explain how planets form out of extended…

Astronauts Prepare for Spacewalk to Remove Gap Filler

19 years ago

Astronauts Steve Robinson and Soichi Noguchi made their preparations to head outside the space shuttle Discovery today. This spacewalk had…

Discovery’s Leading Wing Edge is Safe

19 years ago

Shuttle managers decided on Wednesday that Discovery's leading wing edge is safe for it to make re-entry. This is the…

Messenger Swoops Past the Earth

19 years ago

NASA's Messenger spacecraft made a successful Earth flyby this week, getting a gravity boost that will propel it into the…

Bright Splat on Rhea

19 years ago

This Cassini image of Saturn's moon Rhea shows a bright, white spot in its leading hemisphere. This bright feature could…

Book Review: The Star Guide: Learn How to Read the Night Sky Star by Star

19 years ago

Stars, stars, everywhere are stars. What's that one? Oh, it's an aeroplane flying by, oops. Moments such as this would…

Bend in the Rings

19 years ago

In this image of Saturn, taken by Cassini, it's possible to see how Saturn's atmosphere distorts the rings right next…

Most Accurate Distance to NGC 300

19 years ago

Cepheid variables are one of the most accurate tools astronomers can use to measure the distance to objects in space…

Cassini Finds Active Ice on Enceladus

19 years ago

Instead of being a dead, icy moon, Cassini has found that Enceladus is actually quite active. This moon of Saturn…

What’s Up This Week – August 1 – August 7, 2005

19 years ago

Greetings fellow SkyWatchers! Dark skies this week means a chance to further our in-depth look at globular clusters as we…