Asteroid Day

June 30, Friday

Asteroid Day (also known as International Asteroid Day) is an annual global event which is held on June 30, the anniversary of the Tunguska event in 1908 when a meteor air burst levelled about 2,150 km2 (830 sq mi) of forest in Siberia, Russia.

Asteroid Day was co-founded in 2014 (the year after the 2013 Chelyabinsk meteor air burst) by physicist Stephen Hawking, B612 Foundation president Danica Remy, Apollo 9 astronaut Rusty Schweickart, filmmaker Grigorij Richters, and Brian May (Queen guitarist and astrophysicist). Remy, Schweickart, Richters, and May initiated[clarification needed] Asteroid Day in October 2014 which they announced during a press conference and was launched on December 3, 2014.

Asteroid Day

Asteroid Day in other countries