Planet centauri update5/4/2023 ![]() ![]() Most comet nuclei measure a few miles across and so would fit inside a small town, but Hubble astronomers have uncovered a whopper. The kicked-out comets took up residence in the Oort Cloud, a vast reservoir of far-flung comets encircling the solar system out to many billions of miles into deep space.Ī typical comet's spectacular multimillion-mile-long tail, which makes it look like a skyrocket, belies the fact that the source at the heart of the fireworks is a solid nucleus of ice mixed with dust - a dirty snowball. ![]() They were unceremoniously tossed out of the solar system in a gravitational pinball game among the massive outer planets. These icy "Lego blocks" are leftover from the early days of planet construction. Denizens of deep space, comets are among the oldest objects in the solar system.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |