Official media partner of the International Year of Astronomy.
On this month's coverdisc...
The Sky at Night classic episode Watch an exclusive archive episode from 1986 called The Galilean Moons to see Patrick Moore describe what was known about Jupiter’s four largest moons 25 years ago
Detailed photos to build a telescope trolley Zoom in to detailed, annotated photos to help you complete our How to project to build a telescope trolley on page 85
Watch The Sky at Night TV programme Hear from experts about how Europe’s Herschel Space Observatory is revealing new insights into the stellar formation
Video: exoplanet caught on the move Watch a video detailing the first time an exoplanet, 63 lightyears from Earth, has been observed moving around its star
Satellite tracking Software to follow Earth-orbiting craft
Send an ecard to a friend. Choose from our gallery of photos
