comet hartley 2

November 4, 2010 will forever be noted in the history textbooks of the country as the day a spacecraft approached the comet Hartley 2 within a distance of 700 km.

On November 4, 2010, NASA's EPOXI spacecraft, about 450 miles from Comet Hartley 2. This is a small Comet with a diameter of less than a mile, and needs about six and a half years

The Deep Impact probe spacecraft of the US Space Agency (NASA) will approach the Comet Hartley 2 with the closest distance so far on November 4, NASA scientists batched.