The day marks the anniversary of the Tunguska Event in1908, when an asteroid exploded above a remote area of Siberia, leaving over 800 square miles of blown-down trees.
The Asteroid Day web site is here: http://www.asteroidday.org or Asteroid Day. Check it out and consider signing the petition.
Twitter: #AsteroidDay
Newsweek had an article about the asteroids on June 11, available here: We Can Save Ourselves From Earth-Killing Asteroids, But Someone Has to Pay
Planetary Radio released a pod cast today: Saving the Planet: Voices From the Planetary Defense Conference | The Planetary Society
