DART mission will arrive at asteroid in the fall of 2022....
Launch occurs after ISS fires rockets to dodge chunk of destroyed Chinese satellite....
The four civilians will spent three days in orbit around Earth....
Historic three-day flight devoted to raising $200 million for St. Jude Children's Research Hospital....
Meanwhile, a China’s main spacecraft maker is developing a human landing system for lunar missions....
SpaceX's Falcon 9 rocket, launched from Vandenberg Air Force Base at 5:27 p.m., was carrying 10 satellites to low-Earth orbit. The satellites will be part of a constellation operated by Iridium Communications. All 10 satellites successfully deployed, with the last one deploying about 1 hour and 12 minutes after liftoff.
