Asteroid Day is a UN-sanctioned global awareness campaign. This year thousands of self-organized events will be hosted around the world. Join our Asteroid Day LIVE broadcast, 48 hours of content and commentary from around the world.

Stellar lineup

Hosted by Professor Brian Cox, he will be joined by astronauts, experts and celebrities. Asteroid Day is a global program supporting thousands of independently organized events on June 30th, provides online educational asteroid resources 365 days a year and produces a 24-hour global broadcast with an all-star lineup called Asteroid Day LIVE from Luxembourg.

Asteroid Day is held on June 30 each year to mark the date of Earth’s largest asteroid impact in recorded history, the Siberia Tunguska event, which devastated over 2,000 km2 of forest in 1908








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