NASA Smacked A Spacecraft Into An Asteroid
Artist impression of ESA’s Hera mission to Didymos and Dimorphos. ESA/Science Office. Perth, Australia: NASA’s DART mission – Double Asteroid Redirection Test – was humanity’s first real-world planetary defence mission. In September 2022, the DART spacecraft smashed into the companion “moon” of a small asteroid 11 million kilometres from Earth. One goal was to find…