Planetary defense test deflected an asteroid but unleashed a boulder swarm::A UCLA-led study of NASA’s DART mission determined that the strategy presents previously unanticipated risks.
Planetary defense test deflected an asteroid but unleashed a boulder swarm::A UCLA-led study of NASA’s DART mission determined that the strategy presents previously unanticipated risks.
Asteroids may be detected very late when they’re already near earth. Breaking up a large rock into a lot of smaller ones may not be a big help. But all of this has been known for a very long time.