Фото: Shatokhina Natalia / news.ru / Global Look Press
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"A lot of it was done with just stuff that we had," says Walker, now a company director.
Measuring the orbital shift of a 780-meter-wide primary asteroid and its moonlet from millions of miles away isn’t trivial. When DART slammed into Dimorphos, it didn't knock the binary system wildly off its trajectory around the Sun. The change in the system's heliocentric trajectory was expected to be small, a minuscule nudge that would become apparent only after months or years of continuous observation. By analyzing enough painstakingly gathered data, a global team of researchers led by Rahil Makadia at the University of Illinois Urbana-Champaign has now determined the consequences of the DART impact.,这一点在同城约会中也有详细论述