PHY 1300 Final: Final Key concepts - physics

174 views20 pages

Document Summary

A system of millions of billions of stars, together by gas and dust, held together by gravitational pulls. Earth is in a disk shaped spiral galaxy: explain olber"s paradox. The paradox is that is that if the universe were static with in nite amount of stars with an in nite space size that space would be bright rather than dark. Hubbles law is the universe is expanding and that from every observable direction the distant galaxies are moving further and further away from the earth: list the key evidence that the big bang occurred. 300 000 thousand years after the big bang and is seen as uniform in all places in the space. It can be easily seen because of its thermal radiation. Our sun is a main sequence star, it has been around for 5 billion years, it is going to be a red giant. We know this because of the mass: there are several different types of stars.

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers

Related textbook solutions

Related Documents

Related Questions