News > Planetary Defense By the Numbers: May 2021
Planetary Defense By the Numbers: May 2021
09/05/2021 10:40 PM | Click to read full article
Earth objects (NEOs) are asteroids and comets that orbit the Sun and come within 30 million miles of Earth’s orbit.
While many NEOs have been found and closely studied, NASA’s Planetary Defense Coordination Office was established to manage the agency’s ongoing efforts to find, track, study, and if necessary, lead efforts to mitigate a potentially hazardous NEO that could pose a potential impact threat to Earth.