How to prevent another Chelyabinsk

The Chelyabinsk event two years ago heightened public awareness of the threat posed to humanity by an asteroid strike, but what can be done to prevent it happening again? The forthcoming Sentinel Space Telescope and ATLAS Project will hopefully prevent us being caught off guard.


See asteroid 2004 BL86 whizz by Earth

Asteroid 2004 BL86 skims past Earth at a distance of just three times the Moon on the evening of 26th January. When best placed, it will become bright enough to see from the UK with small telescopes or large binoculars. Here’s our hour-by-hour observing guide.