What is Galactic halo?
A '''galactic halo''' is a roughly [[spherical]] part of a galaxy. It extends beyond the main, visible part.<ref>{{Cite web|url=https://openstax.org/details/books/astronomy|title=OpenStax Astronomy|website=OpenStax}}</ref> Several components make up the halo:<ref>{{Cite journal|last=Helmi|first=Amina|date=June 2008|title=The stellar halo of the Galaxy|arxiv=0804.0019|journal=The Astronomy and Astrophysics Review|volume=15|issue=3|pages=145–188|doi=10.1007/s00159-008-0009-6|issn=0935-4956|bibcode=2008A&ARv..15..145H|s2cid=2137586}}</ref><ref>{{Cite book|title=Astrophysics in a Nutshell|last=Maoz|first=Dan|publisher=Princeton University Press|year=2016|isbn=978-0-691-16479-3}}</ref> == References == {{reflist}} {{sci-stub}} {{Milky Way}} [[Category:Astronomy]]