• Astronomy Course
Lecture 3 of Dr. Bruce Betts' 2013 online Introductory Planetary Science and Astronomy course covers optical, radio, and space telescopes, the history, exploration, and importance of the Moon to our Solar System understanding, as well as impact cratering, lunar tides, phases, and solar eclipses. Recorded at California State University Dominguez Hills.
Become a member of The Planetary Society and together we will create the future of space exploration.
Help advance robotic and human space exploration, defend our planet, and search for life.