By Olivia B. Waxman – At 1:00 pm EDT, the asteroid dubbed 2011 MD — only 5-20 meters in diameter — will narrowly miss the Earth by about 7,600 miles. In February, 2011 CQ1barely avoided hitting the planet by 3,400 miles.
- Will a “big asteroid” strike Earth during our lifetime? Is viable protection against large asteroids feasible? LinkedIn Discussion
- Space debris risks colliding with orbital station, Reuters
- Incoming Asteroids: They’re Here, They’re Near, Get Used to Them, Jeffrey Kluger, TIME