What is Astronomy? What is Science? What is the course all about?
Brief introductory remarks after going over course mechanics on the
first day of Astronomy 161 for Autumn Quarter 2007. Recorded 2007 Sep
19 in 1000 McPherson Lab on the Columbus campus of The Ohio State
University.
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
Sep 2007
Lecture 03: The Starry Night
What are the constellations? We will review the most basic feature of
the night sky, the 6000 visible stars sprinkled about the sky, and
introduce the idea of constellations, reviewing their history and uses
by various cultures. Recorded 2007 Sep 21 in 1000 McPherson Lab on the
C ... Show More
35m 19s
Sep 2006
Lecture 2: Astronomical Numbers
Before we can begin our exploration of astronomy, we 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.
We will first re-introduce the basic metric system, explaining how t ... Show More
43m 29s