Risk of a celeb destroying the sun machine is upper than anticipated

Stars whizzing by way of our sun machine may just motive extra havoc than astronomers prior to now concept, from sending Pluto’s orbit haywire to compelling Mercury to fly into the solar – and even catastrophically changing Earth’s orbit and local weather. The general chance of those occasions continues to be low, however the larger affect of passing stars implies that occasions like those could be not unusual in different planetary programs.

While the orbits of the planets had been as soon as regarded as as predictable and unchanging as clockwork, fashionable astronomers have discovered that on lengthy timescales, they’re…