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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 WRITINGPrerequisites
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