Know About NASA's DART Asteroid Crash on Monday
Engineering marvels are NASA's deep space robots. Decades after launch, the Voyager probes are still in operation.
Parker Solar Probe's heat shield will enable years of operation.
Despite its issues, Lucy will go to a few space rocks over the next 12 years.
Solar system studies won't advance thanks to DART for many years. This week marks the departure of the November 2021 spacecraft.
NASA is testing a planetary defense system called DART that rams spacecraft into incoming asteroids.
Most of the rock burns up in the atmosphere of Earth, rendering it harmless. 66,000,000 years ago,
Dinosaurs were exterminated by the enormous space asteroid Chicxulub.