Apophis Near-Earth Approach in 2029
Discovered by Roy Tucker, David Tholen, and Fabrizio Bernardi on June 19, 2004.
Apophis measures 1,115 feet and faces tidal forces from Earth's gravity.
NASA's OSIRIS-APEX and ESA's Ramses missions study the encounter.
Event is rare, occurring once every few thousand years.
2 days ago