Five years, that’s all we could have had. The Asteroid 99942 Apophis was discovered in 2004 and for a worrying spell it looked like the 335-metre rock could hit our planet on 13 April 2029.
On the Torino scale that classifies the impact risk of asteroids and comets – 0 being no risk, 10 being familiar to dinosaurs – Apophis scored the highest ranking ever
