Asteroid Day

June 30, Friday

Asteroid Day
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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 – days left: 142. Create Countdown to Event

Asteroid Day in other years

Asteroid Day in other countries

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