# Astronomy (ASTR) — Summer 2026 schedule

Sierra College · 5 sections · Seat counts as of 2026-10-14

Source: https://ss.oci.sierracollege.edu/StudentRegistrationSsb/ssb/term/termSelection?mode=search

Course descriptions: 2025-2026 catalog, /c/sierra-college/catalog/2025-2026/courses/astr.md

## ASTR 0002 — Introduction to Planetary Systems (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 62443 | 0 | Online anytime | Online, no set time | Jun 8–Aug 1 | Barry A. Rice | 13 of 40 open, 1 waitlisted |
| 61509 | 802 | Online anytime | Online, no set time | Jun 8–Aug 1 | Barry A. Rice | 28 of 40 open, 3 waitlisted |

## ASTR 0005 — Introduction to Stars, Galaxies, and the Universe (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 61514 | 802 | Online anytime | Online, no set time | Jun 8–Aug 1 | Barry A. Rice | 13 of 40 open, 11 waitlisted |

## ASTR 0010 — Elementary Astronomy (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 60728 | 810 | Online anytime | Online, no set time | Jun 8–Aug 1 | Daniel R. Hale | 19 of 40 open |
| 61019 | 815 | Online anytime | Online, no set time | Jun 8–Aug 1 | Daniel R. Hale | 27 of 40 open |