Class Notes (836,580)
Canada (509,856)
Astronomy (103)
ASTA02H3 (22)
Lecture

Astronomy - Session 16

2 Pages
102 Views
Unlock Document

Department
Astronomy
Course
ASTA02H3
Professor
Parandis Khavari
Semester
Winter

Description
Astronomy - Session 16  spiral arms  full of gas and dust  young stars  every arm is a density wave  mostly made of O and B stars  Orion-Cygnus arm  Sun  not located in the arm it was born in  stars in halo  crazy, irregular, and random orbits  elliptical  stars in galaxy  circular, regular orbits  star born in the galaxy inherits the rotation of the galaxy  material arms  winding dilemma  pattern (of spiral arms) should be lost  density wave theory  spiral arms  not material arms  pattern of compression wave  clouds of gas and dust  compressed by compression wave  star formation  eventually moves along  proposes that arms are waves of compression that move around the Galaxy  trigger star formatio
More Less

Related notes for ASTA02H3

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit