Today is 30 June International Asteroid Day
It was on this day in 1908 that the Tunguska impact occured in Siberia, releasing about 185x more energy than Hiroshima atomic bomb.

International Asteroid Day aims to raise public awareness about the asteroid impact hazard and to inform the public about the crisis communication actions to be taken at the global level in case of a credible near-Earth object threat.

Learn More:
ABC’s of Space!
The International Asteroid Warning Network (IAWN) and The Space Mission Planning Advisory Group (SMPAG)
Research: Learn more about Near-Earth objects (NEOs)