ASTR courses at Sierra College

6 ASTR courses with 24 sections this Spring 2027; 24 sections have open seats. Open any course for every section with its instructor, time and live seat count, and a free email alert when a seat opens.

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ASTR 0002Intro to Planetary Systems10/10 open · 248 seats ASTR 0005Intro to Stars and Galaxies7/7 open · 200 seats ASTR 0007Life in the Universe1/1 open · 40 seats ASTR 0010Elementary Astronomy3/3 open · 120 seats ASTR 0011Observational Astronomy1/1 open · 24 seats ASTR 0013Laboratory Astronomy2/2 open · 48 seats

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