Introductory Astronomy for Majors I Credit Hours: 3 hours. The development of astronomy from ancient times. Telescopes and astronomical observations. The solar system: planets and their satellites, asteroids, comets, etc. The origin and evolution of the solar system. This course is for intended physics and astronomy majors. Offered fall semester every year. Duplicate Credit: Not open to students with credit in ASTR 1110H Semester Offered: Fall Level: Undergraduate