Saturday, 12 November 2011
Friday, 11 November 2011
Thursday, 10 November 2011
Wednesday, 9 November 2011
Its closest approach to Earth was pegged at a distance of 202,000 miles at 6:28 p.m. EST. That's just inside the moon's orbit; the average distance between Earth and the moon is 239,000 miles.
The last time a large cosmic interloper came that close to Earth was in 1976, and experts say it won't happen again until 2028.
Scientists at NASA's Deep Space Network in the California desert have tracked the quarter-mile-wide asteroid since last week as it approached from the direction of the sun at 29,000 mph.