Slide 1What drives the ice age cycles? Slide 2 Milankovitch Theory of orbital forcing of ice sheets Tilt variations eccentricity variations precession of perihelion Slide…
Slide 1 Mid-Pleistocene Revolution By Robert Spellacy Slide 2 MPR Describes the transition between 41kyr and 100kyr glacial –interglacial cycles. Initiated between 900-650…
Slide 1 Astronomy and Cosmology week 1 - Thursday Star Date Your surveys – results and discussionsurveys Your Web-X postsWeb-X Your minilecture sign-ups… BREAKminilecture…
Slide 1 Astronomy and Cosmology week 2 - Tuesday Star Date Short lecture on Ch.1-2 Questions? Your Web-X posts Thursday assignments Solar motion workshop: predictions + assemble…
Slide 1 What is the Greenhouse Effect? Slide 2 Review of last lecture – The two basic motions of the Earth – What causes the four seasons: the Earth’s tilt and the…
Slide 1 The Earth-Moon-Sun System Chapter 22, Section 2 Slide 2 Motions of the Earth The two main motions of Earth are rotation and revolution Rotation – the turning, or…
Slide 1 Chapter 17 Review Slide 2 Question 1 If new snow was added to a glacier faster than ice & snow melts, what would happen to the glacier? It would get larger…