LIVE NOW: Our DARTMission Reddit Ask Me Anything is open for questions! What do you want to know about our upcoming asteroid deflection test? Join us starting at 4pm ET (21:00 UTC) to talk with our planetary defense experts:
on Wednesday, Nov. 24, NASA’s DART spacecraft will fly through space for about a year before crashing into its target: Dimorphos, a 530-foot -wide “moonlet” orbiting around the larger asteroid Didymos. Dimorphos is not a threat to Earth and will not be moved significantly by DART’s impact, but the data that we collect will help us prepare for any potential planetary defense missions in the future.
How will we be able to tell if DART worked? Are there any asteroids that could be a threat to Earth in the near future? How are NASA and our partners working together on planetary defense—and what exactly is “planetary defense”, anyway?4 p.m. EST on Wednesday, Nov. 17Participants include:Marina Brozovic, asteroid scientist at JPL
Terik Daly, DART deputy instrument scientist for the DRACO camera at the Johns Hopkins Applied Physics Laboratory Lisa Wu, DART mechanical engineer at APL Lindley Johnson, NASA's Planetary Defense Officer and program executive of the Planetary Defense Coordination Office at NASA Headquarters
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