Occultation of C313.2 by Charon J.M. Pasachoff, J.W. Gangestad, S.P. Souza, and B.A. Babcock (Williams College); J.L. Elliot, A.A.S. Gulbis, M.J. Person.
7th Grade Unit 7: Relationships between Earth and Moon Lesson 2: Motion of the Earth and Moon
