How did the Solar System form? In this lecture I review the clues for
the formation of the solar system in the present-day dynamics (orbital
and rotation motions) and compositions of the planets and small bodies.
I then describe the standard accretion model for solar system formation,
whereby grains condense out of the primordial solar nebula, grains
aggre ... Show More
Oct 2007
Lecture 29: The Earth's Atmosphere
What is the composition and structure of the Earth's atmosphere? Why is
it as warm as it is, and how did it form? Today I will describe the
composition and structure of the atmosphere, the Greenhouse Effect, the
Primordial Atmosphere, and Atmospheric Evolution. The Earth's
atmosp ... Show More
41m 51s