Introductory Astronomy for Teachers - Solar System Credit Hours: 3 hours. This course is designed to aid K-12 teachers with astronomical concepts which arise in their teaching. The effective presentation of astronomical concepts in this area will be emphasized. Offered fall, spring and summer semester every year. Duplicate Credit: Not open to students with credit in ASTR 1010 or ASTR 1110 or ASTR 1110H Semester Offered: Fall Spring Summer Level: Graduate