Lecture 3 of Dr. Bruce Betts' online Introductory Planetary Science and Astronomy course covers optical, radio, and space telescopes, eclipses, and an introduction to the Moon including lunar tides, phases and impact cratering. Recorded at California State University Dominguez Hills.
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LightSail 2 launched aboard the SpaceX Falcon Heavy. Be part of this epic point in space exploration history!
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