Apollo group asteroid to come as close as 2.3 mn km to Earth, says NASA; Check size, speed
Nearly 298148 asteroids have been discovered to date by NASA, which uses its advanced ground and space-based telescopes and satellites including the NEOWISE telescope, Pans-STARRS1, and Catalina Sky Survey. Using this advanced technology, the US space agency has tracked an asteroid that is expected to pass Earth by a close margin today, December 18. It …