Solar system, milkyway galaxy,earth, environment, ecosystem, physics, science, for Dummies
below, the Solar’s gravitational pull weakens to the level of close by stars, and comets whose orbits take them this considerably might drift out on the Sunshine’s grasp totally. Even though the closest star today is Proxima Centauri, four.22 gentle-yrs away, other stars played this function up to now and can do this Down the road. Dr Becky:Hi