Earth Moon Sun System. Earth’s Motions! Turning or spinning of a body on its axis. Earth’s axis is tilted 23.5° from the ecliptic (plane of Earth’s orbit.
M. Shara Sept. 26, 2007 Planets, White Dwarfs, Cataclysmic Variables and SNIa in Star Clusters: Changing the Rules Mike Shara American Museum of Natural.
Limits of Stability in Earth Co-orbital Motion of Asteroids Martin Connors, Athabasca University Christian Veillet, CFHT R. Greg Stacey, Athabasca University.
Mike Shara Department of Astrophysics American Museum of Natural History STAR CLUSTER DYNA MIC S Or: BINARY EVOLUTION on STEROIDS.
The 100 Kyr cycle Agnes Barszcz. Who wants to be a climatologist? 2 teams: The Aphelions The Perihelions Rules Joker.
History of Climate Change During earth’s history, climate has generally been warmer than it is today, but is periodically interrupted by short cooler.
The Pleistocene
Natural Causes of Climate Change Feedback Mechanisms Positive vs Negative Feedbacks Variations in Solar Radiation Solar Irradiance Sunspot Activity Earth-Sun.
The Pleistocene. Causes of Glaciation 1) Why is there ice anywhere on Earth? 2) If there is ice, what makes it contract and expand?
History of Climate Change
BELLRINGER Explain in complete sentences what are dimensions of the Sun-Earth-Moon system.
Resonant and Co-orbital Asteroids Associated with Earth