Chinese Long March rocket reentry to earth: What you need to know
Space debris has crashed into Earth on a number of occasions, including last year. The good news is that debris plunging toward Earth - while unnerving - generally poses very little threat to personal safety. As Jonathan McDowell, an astrophysicist at the Astrophysics Centre at Harvard University, said: "This is not the end of days." READ MORE: In this photo released by Chinas Xinhua News Agency, a Long March 5B rocket carrying a module for a Chinese space station lifts off from the Wenchang Spacecraft Launch Site.(AP) Still, the episode has fuelled fresh questions about space debris, uncontr...