# Astronomy (ASTR) — Spring 2027 schedule

Sierra College · 23 sections · Seat counts as of 2026-10-14

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

Course descriptions: 2026-2027 catalog, /c/sierra-college/catalog/2026-2027/courses/astr.md

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

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 43952 | 100 | In person | Mon/Wed 8:00–8:50am, S 202; Mon 9:30–10:35am, V 227 | Jan 25–May 22 | Barry A. Rice | 28 of 28 open |
| 43953 | 101 | In person | Mon/Wed 8:00–8:50am, S 202; Wed 9:30–10:35am, V 227 | Jan 25–May 22 | Barry A. Rice | 28 of 28 open |
| 43300 | 108 | In person | Mon/Wed 11:00–11:50am, S 202; Mon 12:30–1:35pm, V 227 | Jan 25–May 22 | David E. Dunn | 28 of 28 open |
| 40488 | 110 | In person | Mon/Wed 11:00–11:50am, S 202; Wed 12:30–1:35pm, V 227 | Jan 25–May 22 | David E. Dunn | 28 of 28 open |
| 40490 | 120 | In person | Tue/Thu 8:00–8:50am, S 202; Tue 9:30–10:35am, V 227 | Jan 25–May 22 | Barry A. Rice | 28 of 28 open |
| 43298 | 122 | In person | Tue/Thu 8:00–8:50am, S 202; Thu 9:30–10:35am, V 227 | Jan 25–May 22 | Barry A. Rice | 28 of 28 open |
| 40485 | 130 | In person | Mon 5:30–6:35pm, V 227; Mon 6:45–8:35pm, S 202 | Jan 25–May 22 | Nancy L. Montague-Archer | 28 of 28 open |
| 43901 | 132 | In person | Mon 6:45–8:35pm, S 202; Mon 8:45–9:50pm, V 227 | Jan 25–May 22 | Nancy L. Montague-Archer | 28 of 28 open |
| 40900 | 801 | Online anytime | Online, no set time | Jan 25–May 22 | Nancy L. Montague-Archer | 40 of 40 open |
| 43603 | 802 | Online anytime | Online, no set time | Jan 25–May 22 | David E. Dunn | 40 of 40 open |

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

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 43956 | 106 | In person | Tue/Thu 12:30–1:20pm, S 202; Tue 2:00–3:05pm, V 227 | Jan 25–May 22 | David E. Dunn | 28 of 28 open |
| 43957 | 108 | In person | Tue/Thu 12:30–1:20pm, S 202; Thu 2:00–3:05pm, V 227 | Jan 25–May 22 | David E. Dunn | 28 of 28 open |
| 40901 | 130 | In person | Tue 5:30–6:35pm, V 227; Tue 6:45–8:35pm, S 202 | Jan 25–May 22 | Josh S. Wormley | 40 of 40 open |
| 43902 | 132 | In person | Tue 6:45–8:35pm, S 202; Tue 8:45–9:50pm, V 227 | Jan 25–May 22 | Josh S. Wormley | 28 of 28 open |
| 41521 | 810 | Online anytime | Online, no set time | Jan 25–May 22 | Daniel R. Hale | 40 of 40 open |
| 43466 | 825 | Online anytime | Online, no set time | Mar 29–May 22 | Daniel R. Hale | 40 of 40 open |

## ASTR 0007 — Life in the Universe (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 40513 | 111 | In person | Tue/Thu 2:00–3:20pm, S 202 | Jan 25–May 22 | Barry A. Rice | 40 of 40 open |

## ASTR 0010 — Elementary Astronomy (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 41387 | 801 | Online anytime | Online, no set time | Jan 25–Mar 20 | Daniel R. Hale | 40 of 40 open |
| 40046 | 803 | Online anytime | Online, no set time | Jan 25–May 22 | David E. Dunn | 40 of 40 open |
| 40045 | 805 | Online anytime | Online, no set time | Jan 25–May 22 | David E. Dunn | 40 of 40 open |

## ASTR 0011 — Observational Astronomy (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 40048 | 141 | In person | Wed 7:00–10:05pm, V 227 | Jan 25–May 22 | Troy M. Kuersten | 24 of 24 open |

## ASTR 0013 — Laboratory Astronomy (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 43954 | 100 | In person | Mon/Wed 11:00am–12:20pm, V 227 | Jan 25–May 22 | Barry A. Rice | 24 of 24 open |
| 43955 | 102 | In person | Tue/Thu 11:00am–12:20pm, V 227 | Jan 25–May 22 | Barry A. Rice | 24 of 24 open |