NASA Starts Double Asteroid Redirection Test
Dimorphos, an asteroid about 160 meters in diameter that orbits another larger asteroid called Didymos, poses no threat to our planetWhile NASA scientists are expected to assess the results of this experiment via observation through ground-based telescopes, ESA will send a spacecraft to the asteroid in order to take a closer look at DART’s impact.The Hera spacecraft is supposed to launch in 2024 in order to rendezvous with the asteroid in 2026, with the main goal of the mission being “detailed characterization of the physical properties of Didymos and Dimorphos and of the crater made by the DART mission, as well as the measurement of the momentum transfer efficiency resulting from DART's impact,” according to a report published in The Planetary Science Journal.“The data from the Hera spacecraft and its two CubeSats will also provide significant insights into asteroid science and the evolutionary history of our solar system,” the report states.
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