News tagged with tunguska bolide

Near miss, but no threat: Asteroid in close pass was smaller than thought, astronomer shows

(PhysOrg.com) -- On March 2, an asteroid whizzed past the Earth at a distance of just 41,000 miles -- a near miss by cosmic standards (most communications satellites orbit at a distance of about 22,300 miles from Earth). ...

Space & Earth / Space Exploration

Mar 17, 2009 | 4.5 / 5 (8) | 0