Magazine | Page 197 of 278 | Astronomy.com

Could the nearby star Sirius B explode as a type Ia supernova, like some other white dwarf stars in binary star systems have?

Stephen James O’Meara’s Secret Sky: Readers report 2009

Astro Confidential web extra: Extending the conversations

Observing, Stars

David H. Levy’s Evening Stars: The big brown nothing

What is the center of a galaxy made of that makes it so bright?

Observing, Observing Basics

Glenn Chaple’s Observing Basics: Cruise the Milky Way

The surface of Neptune’s moon Triton is partially made up of methane. If an asteroid were to collide with it, would that touch off an explosion?

Could there be large amounts of water in deep aquifers on Mars?

Uranus’ turn in the Sun

Bob Berman’s Strange Universe: Applying Occam’s razor

Ask Astro web extra: What is the nearest star to the Sun? How far away is it?

Imagers capture the sky