Class Notes (837,548)
United States (325,103)
Astronomy (19)
ASTR 1101 (11)
All (10)
Lecture

ASTR 1101 The Solar System Chapter 9.docx

4 Pages
102 Views
Unlock Document

Department
Astronomy
Course
ASTR 1101
Professor
All Professors
Semester
Winter

Description
Chapter 9Terrestrial Planets and SatellitesAll 4 chemically differentiatedAll but mercury have geological activityEarth solid iron core surrounded by liquid iron coreWe know this is true bc of earthquakesEarthquakes create P wavesS waves like riiples on the water but doesnt go through waterEarthActive atmosphereoWeather storms cloudsoSolar energy energy sourceMovements in wateroTides wavesoSolar energy Tidal forces energy sourceGeologically activeoVolcanos platesoRadio activity in the coreenergy sourceInternal structure 2 parts liquid part and solid part oSolid iron core pressure is too high to melt ironoLiquid iron core less pressure since further from center liquidoMantel oCrustChemically differentiatedoHeavies fall to core lighters rise to crustCONVECTION IN THE MANTELoEarth is built like an insulatoroBut there must be a way for energy to reach the surfaceoSubduction zone when one plate slides under the otherLast supercontinentoPangaea 250 million years agooEarth has had more than one super continentTectonic 79 major platesoGillstone a lava pit that is 4 states wideish Yellowstone due any day Earth has a supercontinent super cycle that last 500 million year Were about half way through the cycle250 million yearsApprox how long till the next super continent3 degree movement of plates per yearEvolution of earths atmosphere
More Less

Related notes for ASTR 1101

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