What physical processes have shaped the Moon? In this lecture, I
describe the surface features of the Moon (the Maria and Highlands), how
crater density tells us the relative ages of terrains, and what we have
learned about Moon rocks returned by astronauts and robotic probes. I
will also discuss what is known about the interior of the Moon, and
review wh ... Show More
Sep 2007
Welcome to Astronomy 161 for Autumn Quarter 2007
Welcome to the Astronomy 161 Lecture Podcasts. This is a brief message
from me explaining the podcasts, and welcoming new and old listeners.
University. Lectures will begin on Wednesday, 2007 Sept 19, and run
through Friday, 2007 Nov 30. New lectures will appear shortly before
6p ... Show More
7m 35s
Sep 2007
Lecture 02: Astronomical Numbers
What are our units of measure in astronomy? To begin our exploration of
astronomy, we first need to develop a common language for notating large
numbers, and introduce the basic units of length, mass, and time that we
will use throughout the quarter. This lecture is a quick revie ... Show More
43m 58s