INTRODUCTORY COURSES AND COURSES FOR NON-CONCENTRATORS. Astronomy 111 discusses our explorations of the solar system. Astronomy 112 deals with stars and the rest of the Universe beyond the solar system. Students in Astronomy 111 and 112 actively participate in a laboratory which meets in the evening each week. Neither of these courses is a prerequisite for the other. High school mathematics through plane geometry is useful. All students in each course will have opportunities for a planetarium visit and for evening observations with the telescopes mounted on Angell Hall.

111. Introductory Astronomy: The Solar System. No credit granted to those who have completed or are enrolled in 101, 130, 160, or 221. (NS).

Lectures deal with the beginnings of astronomy, motions of bodies in the solar system, properties of light and atoms, the Sun, the Earth, the Moon, individual planets and satellites, asteroids, comets and meteors, and the origin of the solar system and life. This course is intended for non-science concentrators with a basic high school math background. Recent results from the space program will be emphasized. Astronomy 111 has a laboratory section every week. Course requirements include assigned reading, section meetings, homework, observations, in-class tests and a final examination. Laboratory sections include observations with telescopes. Cost:2 WL:4 (Sears)

112. Introductory Astronomy: Stars, Galaxies, and the Universe. No credit granted to those who have completed or are enrolled in 102, 130, 160, or 222. (NS).

This course is intended primarily for non-science concentrators with a basic high school math background, who wish to learn about the phenomena and properties of the Universe beyond our solar system. Astronomy 101 and 111 are NOT pre-requisites. Lectures will inventory the different types of stars and examine how red giants, white dwarfs, black holes, supernovae, and people all fit together in a grand scheme. The larger picture includes our Milky Way system, other galaxies, and quasars. The present state of knowledge or speculation regarding the origin, ultimate fate, and space-time characteristics of our Universe will also receive special attention. Very simple algebra is used in the course. The course grades are to be derived from examinations and laboratory exercises. Laboratory sections, which meet for four evening hours each week, will include planetarium demonstrations and observations with telescopes mounted on Angell Hall. Cost:2 WL:4 (Seitzer and Worthey)

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