News tagged with comet impact

Comet Hartley 2

(PhysOrg.com) -- The comet Hartley 2 is a relatively small and elongated comet - only about 0.6 x 0.4 kilometers in size. It orbits the sun every 6.46 years, getting as close to it as 1.05 astronomical units ...

Jun 15, 2011 5 / 5 (1) 0

The two faces of Tempel 1

(PhysOrg.com) -- Just one year before its Feb. 14 encounter with comet Tempel 1, NASA's Stardust spacecraft performed the largest rocket burn of its extended life. With the spacecraft on the opposite side ...

Feb 14, 2011 4 / 5 (1) 0