Astronomers have just logged the 40,000th near-Earth asteroid, a major marker in humanity’s effort to keep track of the rocks that pass close to our planet.
These objects range from a few yards across to a couple of miles wide. Every new one…
Astronomers have just logged the 40,000th near-Earth asteroid, a major marker in humanity’s effort to keep track of the rocks that pass close to our planet.
These objects range from a few yards across to a couple of miles wide. Every new one…