Picture This

Ring of Stellar Fire

24 October 2014 Astronomy Now

An image from NASA’s Spitzer Space Telescope, taken in infrared light, shows where the action is taking place in the galaxy NGC 1291.

Reviews

Mosaic-making: Asimoplan software

23 October 2014 Steve Ringwood

Visual observers now have the benefit of wide-field eyepieces but astro-imagers are somewhat limited to the size of their CCD chip and when it comes to imaging large objects, they must take several images and build a mosaic.

News

Mars spacecraft safe after fortuitous comet encounter

20 October 2014 Stephen Clark

A fleet of robotic spacecraft orbiting Mars got a front row seat to space history Sunday and lived to tell about it, giving scientists their first close-up look at a comet fresh from a cloud of primordial mini-worlds at the outer reaches of the solar system.