Posts Tagged ‘99942 Aphophis’

Russia’s War On 99942 Apophis

Back in 2004 I mentioned 99942 Aphophis, a near earth asteroid who was calculated to have a 1 in 37 (2.7%) chance of hitting earth in 2029. That was subsequently ruled a non-existent risk however if it passed through a gravitational keyhole in 2029 it would have a 1 in 250,000 chance in 2036 or […]