Lecture 13 Notes

2 Pages
Unlock Document

Astronomy & Astrophysics
Stefan Mochnacki

Cliff Lau University of Toronto AST201 Lecture 13 (March 3, 2011) When a low-mass star like the Sun dies, it will become a white dwarf When a massive star goes supernova, one of three things can happen: 1. The star could just blow itself completely apart, leaving nothing 2. It can blow its outer layers, leaving only the core of neutrons a neutron star (diameters of about 10km size of Manhattan; a teaspoon of neutron star matter would have the same mass as about 25,000 CN Towers; neutron stars have powerful magnetic fields which channel material to their poles, heating them up; due to conservation of angular momentum, neutron stars can spin more than 30 timess; it appears to blink on and off as the star spins it pulses on and off so its called a pulsar) 3. The star turns into a black hole Higher density higher V escape Escape speeds from Earths s
More Less

Related notes for AST201H1

Log In


Join OneClass

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

Sign up

Join to view


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.