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Spring Quarter 2026 Course Offerings

ASTRONOMY
(COLLEGE OF ARTS AND SCIENCES )

Enrollment and status (open/closed) were accurate when this page was created (12:02 am January 17, 2026) but may have changed since then. For current enrollment and status, check the Enrollment Summary. (UW NetID required.)

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OUR LARGE INTRO CLASSES, ASTRO 101 STARS AMD GALAXIES) AND ASTRO 150 (PLANETS) ARE ALSO AVAILABLE AS ONLINE COURSES WITH NO WEEKLY MEETINGS. TO SIGN UP FOR ONLINE SEE ASTRO 101B OR ASTRO 150E.

Enrl        Sect                                                                                             Crs
Restr   SLN  ID Cred    Meeting Times                                              Status Enrl/Lim   Grades  Fee Other
 ?       ?       ?           ?                                                     ?       ?         ?      ?    ?

ASTR 101 ASTRONOMY

(NSc,RSN)

ASTR 101 USES MINIMAL MATHEMATICS & IS NOT SUITA- BLE FOR SCIENCE & ENGR MAJORS. PLEASE SEE ASTR 102

       10547 A  5       MWF    1130-1220                                           Open      0/ 240                      
                        -NO OVERLOADS                                               
                                                                                    
                                                                                    
                        -FOR ONLINE/ASYNCHRONOUS OPTIONS                            
                        SEE ASTR 101B

       10548 AA  QZ     Th     830-920                                             Open      0/  40                      
                        NO OVERLOADS

       10549 AB  QZ     Th     930-1020                                            Open      0/  40                      
                        NO OVERLOADS

       10550 AC  QZ     Th     1030-1120                                           Open      0/  40                      
                        NO OVERLOADS

       10551 AD  QZ     Th     1130-1220                                           Open      0/  40                      
                        NO OVERLOADS

       10552 AE  QZ     Th     1230-120                                            Open      0/  40                      
                        NO OVERLOADS

       10553 AF  QZ     Th     130-220                                             Open      0/  40                      
                        NO OVERLOADS

       10554 B  5       to be arranged                                             Open      0/ 240                A     
                        *DISTANCE LEARNING - ASYNCHRONOUS                           
                        INSTRUCTION.                                                
                        *ONLINE GROUP-START COURSE: STUDENT                         
                        BEGIN & END TOGETHER. COURSE DOES                           
                        NOT HAVE SYNCHRONOUS MEETING TIMES.                         
                        DOES NOT QUALIFY FOR RESIDENCE                              
                        CREDIT.

ASTR 109 MEASURING UNIVERSE

(SSc/NSc)

       10557 A  3       TTh    100-220                                             Open      0/  80

ASTR 150 THE PLANETS

(NSc,RSN)

       10558 A  5       TTh    1130-1250                                           Open      0/ 240                      
                        -NO OVERLOADS                                               
                                                                                    
                        -FOR ONLINE/ASYNCHRONOUS VERSION                            
                        SEE ASTR 150E

       10559 AA  QZ     M      930-1020                                            Open      0/  40                      
                        NO OVERLOADS

       10560 AB  QZ     M      1030-1120                                           Open      0/  40                      
                        NO OVERLOADS

       10561 AC  QZ     M      1130-1220                                           Open      0/  40                      
                        NO OVERLOADS

       10562 AD  QZ     W      930-1020                                            Open      0/  40                      
                        NO OVERLOADS

       10563 AE  QZ     W      1030-1120                                           Open      0/  40                      
                        NO OVERLOADS

       10564 AF  QZ     W      1130-1220                                           Open      0/  40                      
                        NO OVERLOADS

       10566 E  5       to be arranged                                             Open      0/ 240                A     
                        *DISTANCE LEARNING - ASYNCHRONOUS                           
                        INSTRUCTION.                                                
                        *ONLINE GROUP-START COURSE: STUDENT                         
                        BEGIN & END TOGETHER. COURSE DOES                           
                        NOT HAVE SYNCHRONOUS MEETING TIMES.                         
                        DOES NOT QUALIFY FOR RESIDENCE                              
                        CREDIT.

ASTR 190 TOPICS IN ASTRONOMY

(NSc)

Prerequisites

       10567 B  5       MW     100-220                                             Open      0/  25                      
                        TOPIC: BLACK HOLES!

ASTR 216 IMPACT EARTH

(NSc)

       10568 A  3       TTh    1130-1250                                           Open      0/  80E                     
                        IMPACTS!                                                    
                        *TARGET EARTH:THE EARTH HAS BEEN                            
                        HIT BY LARGE ROCKS IN THE PAST,                             
                        AND IT WILL GET HIT BY LARGE                                
                        ROCKS IN THE FUTURE. THIS CLASS                             
                        WILL EXPLORE THE HISTORY AND THE                            
                        FUTURE OF IMPACTS ON EARTH, AND                             
                        INVESTIGATE QUESTIONS LIKE: WHY                             
                        ARE WE HIT, HOW OFTEN ARE WE HIT,                           
                        HOW BIG IS THE STUFF THAT HITS US,                          
                        AND WHAT CAN WE DO ABOUT IT?

ASTR 270 PUBLIC OUTRCH ASTRO

(A&H/NSc)

Prerequisites

       10569 A  3       TTh    1030-1150                                           Open      0/  40                      
                        PLEASE NOTE COURSE WILL SOMETIMES                           
                        MEET IN PLANETARIUM (PAA A220)

ASTR 321 SOLAR SYSTEM

(NSc)

Prerequisites

Restr  10570 A  3       TTh    230-350                                             Open      0/  80

ASTR 324 ASTROSTATISTICS

(RSN)

Prerequisites

       10571 A  3       MW     1030-1150                                           Open      0/  30

ASTR 480 ASTRO DATA ANALYS

(NSc)

Prerequisites

Restr  10572 A  5       MW     230-350                                             Open      0/  40                      
                        F      230-350                  
                        FRIDAYS IN PAB B360

ASTR 482 SCIENTIFIC WRITING

Prerequisites

Restr  10573 A  2       TTh    1200-1250                                           Open      0/  15                J     
                        PHYS MAJORS WITH PHYS 491, 492                              
                        OR 493 ALLOWED.

ASTR 498 INDEPENDENT STUDY

(NSc)

 IS    10574 A  1-3     to be arranged                                             Open      0/  25E CR/NC               
                        EMAIL (ASTROADVISING@UW.EDU) FOR                            
                                                                                    
                        AN ADD CODE

ASTR 499 UNDERGRAD RESEARCH

 IS   >10575 A  VAR     to be arranged                                                       0/  10E                     
                        EMAIL (ASTROADVISING@UW.EDU) FOR                            
                                                                                    
                        AN ADD CODE.

ASTR 531 STELLAR INTERIORS

Restr  10576 A  4       TTh    1000-1120                                           Open      0/  15

ASTR 558 EXOPLANETS

Restr  10577 A  3       TTh    130-250                                             Open      0/  10

ASTR 575 ASTRON SEMINAR

Restr  10578 A  1       F      230-320                                             Open      0/  25  CR/NC               
                        JOURNAL CLUB

ASTR 576 ASTRON COLLOQUIUM

Restr  10579 A  1       Th     330-450                                             Open      0/ 240E CR/NC               
                        EMAIL ASTROADVISING@UW.EDU FOR AN                           
                        ADD CODE

ASTR 597 TOPICS OBS ASTROPHY

Restr  10580 A  2       TTh    1200-1250                                           Open      0/   5                J

ASTR 600 INDEPNDNT STDY/RSCH

 IS   >10581 A  1-10    to be arranged                                                       0/  20E                     
                        EMAIL (ASTROADVISING@UW.EDU) FOR                            
                                                                                    
                        AN ADD CODE

ASTR 800 DOCTORAL DISSERTATN

 IS   >10582 A  1-10    to be arranged                                                       0/  15E                     
                        EMAIL (ASTROADVISING@UW.EDU) FOR                            
                                                                                    
                        AN ADD CODE

Spring Quarter 2026 Course Offerings

ASTRONOMY(COLLEGE OF ARTS AND SCIENCES )

ASTRONOMY
(COLLEGE OF ARTS AND SCIENCES )