ANSWERS: 1
  • The interstellar medium. Very thin gas and small clumps of molecules called dust. The Oort cloud contains comets as far from the sun as about one light-year. Alpha Centauri is 4.3 light-years away, and most of our 'neighbor' stars are much farther than that. The Oort cloud is not part of the interstellar medium.

Copyright 2023, Wired Ivy, LLC

Answerbag | Terms of Service | Privacy Policy