NASA says its DART test successfully altered an asteroid’s orbit, proving that planet Earth can defend itself against an incoming meteor.
Oct 12, 2022This image from ASI’s LICIACube show the plumes of ejecta streaming from the Dimorphos asteroid after NASA’s DART mission made impact with it. Each rectangle represents a different level of contrast to better see fine structure in the plumes | ASI/NASA/APLsuccessfully altered an asteroid’s orbit, proving that planet Earth can defend itself against an incoming meteor.
“All of us have a responsibility to protect our home planet. After all, it’s the only one we have,” says NASA Administrator Bill Nelson. Before the mission, NASA said that an orbit time change of 73 seconds or more would be considered a success. The data shows that DART has surpassed this benchmark by more than 25 times.
“As new data come in each day, astronomers will be able to better assess whether, and how, a mission like DART could be used in the future to help protect Earth from a collision with an asteroid if we ever discover one headed our way.”
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