Class Notes (836,580)
Canada (509,856)
Origins (27)
Lecture

Lecture 5

1 Page
118 Views
Unlock Document

Department
Origins
Course
ORIGINS 2B03
Professor
Laura Parker
Semester
Fall

Description
Lecture 5Wednesday September 28 20111213 AMThere are two types of galaxiesSpirals thin like a disc or Frisbee Flat rotating disc of stars Have spiral arms lots of new stars are forming in the spiral armEliptical3D not flatNo spiral armsNot much rotation at allNot forming new starsLike a swarm of beesBright in the middle then gets dimGalaxies are usually found in galaxy groupsThe biggest nearby galaxy to us is called AndromedaSome are still formed in isolationCompact galaxy groups are very active hickson compact groupGroup has 3050 galaxiesMore than 50 galaxies are called cluster in their center there is a dominant bright lightCD or super giant elliptical galaxies are giant galaxiesThe rotation means it is stableGravitational Lensing When an object between the light source and the observer bends the light from the light source making it seem like the object is in another direction2 types of clusters stars and galaxiesGalaxy cluster 100 to 1000 billion of light years in size weighs a trillio
More Less

Related notes for ORIGINS 2B03

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