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AST 109

Astronomy: General Observation · 3 credits · Fall 2026

Requirements

Co-requisite: AST 108 Prerequisite: English Proficiency Index of 55 or higher or completion of comparable ENG courses and Math Proficiency Index of 60 or higher or completion of comparable math coursesCo-Requisite: Must also register for AST 108 Section 092 in Summer 2027

About this course

This course serves as an observational introduction to astronomy, especially for students who are not science oriented. A selected number of basic topics in astronomy are carefully examined and subjected to observational verification. The relevance of the scientist and his/her work to the lives of non-scientists is continually examined.

Seat status as of Oct 3, 6:47 AM ET. Seats can change between refreshes.

Chill Rank compares professors using Rate My Professors reviews, from Chill to Brutal. What each rank means

142-LEC Regular
Arranged · TBA
Online-Asynchronous
Chiaki YanagisawaChill Rank 4 of 5: Busy?★ 3.2(34)Difficulty 3.1/5 · 40% would take again#3 chillest of 3 for this course
Online AsynchronousClosed
144-LEC Regular
Thu · 2:00 PM - 4:45 PM
Main Bldg N569
Carlos ChaparroChill Rank 3 of 5: Fair?★ 4.6(22)Difficulty 3.7/5 · 91% would take again#2 chillest of 3 for this course
In PersonOpen
145-LEC Regular
Arranged · TBA
Online-Asynchronous
Shengkun ZhangChill Rank 3 of 5: Fair?★ 3.7(52)Difficulty 2.4/5 · 59% would take again#1 chillest of 3 for this course
Online AsynchronousClosed