Two asteroids may pass Earth by a narrow margin today, says NASA; Check size, speed and more

To discover, track and monitor asteroids, NASA has several tech marvels in place. The NEOWISE telescope, Atacama Large Millimeter/submillimeter Array (ALMA), Pans-STARRS1, and Catalina Sky Survey are some of the space and ground-based telescopes and satellites which the space agency uses. Since there is a historical precedent of asteroids impacting Earth and causing cataclysmic damage, … Read more