BREAKING: Announced at @theAGU, the DART impact on the asteroid Dimorphos transferred 3.6x the spacecraft’s momentum to the asteroid, rather than a 1:1 transfer—because so much of the asteroid’s material itself was blasted off into space, acting like a ephemeral rocket booster.

— Dr Robin George Andrews 🌋☄️ (@SquigglyVolcano) December 15, 2022