Tuesday, 30 June 2009
Asteroid Day is an international awareness event held each year on 30 June to promote public understanding of asteroids, planetary defence, and the 1908 Tunguska event in Siberia.
Frequently asked questions
- When is Asteroid Day 2009?
- Asteroid Day 2009 is on Tuesday, 30 June 2009.
- What day of the week is Asteroid Day 2009?
- It falls on Tuesday.
- How is Asteroid Day calculated?
- This event is observed every year on 30 June.