Solar system's planets could spin out of control

时间:2019-03-08 03:10:05166网络整理admin

By Stephen Battersby THE solar system’s clockwork motion is by no means guaranteed: one day the Earth could collide with Venus or tear Mars apart in a close encounter, a new simulation has shown. We know that the apparently reliable orbits of the planets are unstable in the long run, because their weak gravitational effects on one another can add up in unpredictable ways. Technically,