On International Asteroid Day, take this quiz to test your knowledge about near-Earth objects
Near-Earth objects (NEOs), which comprise asteroids or comets, pose catastrophic threat to Earth as their orbits bring them close to our planet. In 2016, the United Nations officially designated Asteroid Day as the international day of awareness and education about the asteroid impact hazard.
from Firstpost Tech Latest News https://ift.tt/2XelIa2
from Firstpost Tech Latest News https://ift.tt/2XelIa2
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