72 / FIELDS OF INSTRUCTION AST 5045-History of Astronomy (2) Prereq:AST 1002or3019C. General survey of the history of astronomy from the earliest times down to the present day. AST 5113-Solar System Astrophysics I (3) Prereq: two years of collegephysics. Survey of the solarsystem, including its origin and laws of planetary motion. The earth as a planet: geophysics, aeronomy, geomagnetism, and the radiation belts. Solar physics and the influence of the sun on the earth. AST 5114-Solar System Astrophysics 11 (3) Prereq: AST 5113. The moon and planets; exploration by ground-based and space- craft techniques. The lesser bodies of the solar system, including satellites, asteroids, meteoroids, comets; the interplanetary me- dium. AST 5144-Asteroids, Comets, and Meteorites (3) Prereq: AST 5114. Introduction to physical, chemical, and mineralogical characteristics of these major solar system objects, and their relevance to origin and evolution of our planetary system. AST 5205-Stellar Spectra (2) Prereq: AST 3019C. Review of stellar spectroscopy and an introduction to the classification of stellar spectra at low dispersion. AST 5210-Introduction to Astrophysics (3) Prereq:AST3019C. Particular emphasis upon the fundamentals of radiative transfer and detailed development of Planck's expression for the specific intensity of blackbody radiation. The basic equations of stellar structure are derived, and particular solutions of these equations are considered along with their astronomical implications. AST 5270-Introduction to Binary Stars (3) Prereq:AST3019C. Suitable for the nonspecialist who needs some familiarity with the field and for the student who requires a basic foundation for further, more specialized study of binary stars. Includes an intro- duction to the fundamental data, philosophy of orbital element analysis, morphology and classification, mass exchange and other dynamical effects. Concludes with the structure and evolution of binary stars. AST 5273-Interacting Binary Stars (2) Prereq: AST 3019C. Description of the various aspects of interacting binary stars designed chiefly for students who plan to complete their disserta- tions in other branches of astronomy. Also suitable for under- graduate major. in the department. AST 6155-Planetary Interiors (3) Methods for determination of internal structures of planets and satellites with emphasis on interpretation of their external gravitational fields and shapes. AST 6214-Stellar Astrophysics I: Atmosphere (3) Prereq: AST 5210 or equivalent. Theoretical approach to the study of stellar atmospheres. AST 6215-Stellar Astrophysics II: Interior (3) Prereq:AST6214. Theoretical approach to the study of stellar structure. AST 6216-Stellar Astrophysics III: Evolution (2) Prereq: AST 6215. Theoretical approach to the study of stellar evolution. AST 6274-Analysis of Binary Star Observations (4) Prereq:AST 5270. Analytical study and theoretical interpretation of observa- tional data for eclipsing, spectroscopic, and visual binary systems. AST 6305-Space Plasma Physics (2) Prereq: introductory elec- tromagnetic theory. Derivation and application of electrody- namic relationships in magnetospheric, interplanetary, interstel- lar, and other astrophysical plasmas. Excitation and propagation of hydromagnetic and electromagnetic waves in such regions. AST 6309-Galactic and Extragalactic Astronomy (4) Prereq: AST 3019C. Observations and interpretations of the kinematics, dynamics, and structure of the Milky Way Galaxy, extragalactic objects, and galaxy clusters. AST 6336-Interstellar Matter (3) Prereq:'AST 5210. Complex interplay of physical processes that determine the structure of the interstellar medium in our galaxy; emphasis is placed upon a comparison of observational data with theoretical prediction. AST 6416-Cosmology (3) Prereq: PHZ6606. Introduction to the observational background and to the theory of cosmology. AST 6506-Celestial Mechanics (3) Prereq:AST3019C, Dynam- ics of solar system, emphasis on role of dissipative forces and resonant gravitational forces in determining structure of system. AST 6600-Computational Astronomy (4) Prereq: MAS 4106. Designed to familiarize the student with the statistical tools of astonomical data reduction and the empirical establishmentofthe positional and kinematical parameters of the bodies in the uni- verse, and the physical and geometric significance of these parameters. The laboratory consists of the numerical (and theo- retical) solution of relevant problems. AST 6601-Focal-Plane Astrometry (2) Prereq: AST 6600. Esti- mation of astrometric data (relative positions, proper motion components) of celestial objects (stars) from focal-plane images (photographs, CCD). AST 6705C-Techniques of Optical Astronomy I (2) Prereq:AST 3019. Fundamental principles of optical imaging in astronomical instruments. Principles of photographic and photoelectric instru- ments. Principles of photographic and photoelectric detectors. Laboratory exercises. AST 6706C-Techniques of Optical Astronomy 11 (2) Prereq:AST 6705C. Design of instrumentation for optical astronomy; tele- scopes, photometers, spectrographs. Observational techniques and data reduction. Laboratory exercises. AST 6711-Basic Principles of Radio Astronomy (3) Prereq:AST 3019;coreq:PHY4324. Introduction to radio astronomy, includ- ing early history, measurement parameters, applicable radio physics, relevant mathematical techniques, properties of band- limited gaussian noise, and limitations on radio telescope sensi- tivity and resolution. AST 6712-Radio Astrophysics (2) Prereq:AST671 1. Astrophysi- cal plasmas, radio source emission mechanisms and spectra, principal types of results obtained in radio astronomy and their astrophysical implications. AST 6715-Radio Astronomy Instrumentation (2) Prereq: AST 6711.Surveyof radio astronomy instrumentation, including basic principles and methods of operations. Study of antennas and arrays, interferometers, polarimeters, receivers, recorders, and calibration devices. AST 6715L-Radio Astronomy Laboratory (1) Coreq:AST6715. Laboratory experiments and observatory sessions designed to accompany AST 6715. AST 6905-Individual Work (1-3; max: 6) Supervised study or research in areas not covered by other courses. AST 6910-Supervised Research (1-5; max: 5) S/U. AST 6935-Seminar in Modern Astronomy (1; max: 6) Recent developments in theoretical and observational astronomy and astrophysics. S/U. AST 6940-Supervised Teaching (1-5; max: 5) S/U. AST 6943-Internship in College Teaching (2,4,6; max: 6) Re- quired for Master of Science in Teaching candidates but available for students needing additional practice and direction in college- level teaching. AST 6971-Research for Master's Thesis (1-15) S/U. AST 7939-Special Topics (2-4; max: 12) Assigned reading, programs, seminar, or lecture series in a new field of advanced astronomy. AST 7979-Advanced Research (1-9) Research for doctoral stu- dents before admission to candidacy. Designed for students with a master's degree in the field of study or for students who have been accepted for a doctoral program. Not open to students who have been admitted to candidacy. S/U. AST 7980-Research for Doctoral Dissertation (1-15) S/U. PHZ 6606-Special and General Relativity (4) Prereq:PHY6246, tensoranalysis, invariance. Einstein's special and general theories of relativity; relativistic cosmology. BIOCHEMISTRY AND MOLECULAR BIOLOGY College of Medicine GRADUATE FACULTY 1992-93 Chairman:D. L. Purich. Graduate Coordinator:R. P. Boyce. Professors:C. M. Allen, Jr.; R. P. Boyce; P. W. Chun; B. M. Dunn; M. S. Kilberg; P. J. Laipis; R. J. Mans; T. W. O'Brien; D. L. Purich; S. Schuster; M. Young. Associate Professors: R. J. Cohen; S. C. Frost; H. S. Nick. Assistant Professors: B. D.