HS Astronomy-HS Astronomy (Britton-Hecla School District 45-4) //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Class Name: HS Astronomy-HS Astronomy Instructor(s): Salina Pena en-us SchoolSitePro <![CDATA[Due: 09/18/2026]]> //www.britton.k12.sd.us/homeworkItem13018656 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Tue, 15 Sep 2026 10:12:16 PDT <![CDATA[Due: 09/17/2026]]> //www.britton.k12.sd.us/homeworkItem13018654 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Tue, 15 Sep 2026 08:12:49 PDT <![CDATA[Due: 09/17/2026]]> //www.britton.k12.sd.us/homeworkItem13018655 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Tue, 15 Sep 2026 08:12:49 PDT <![CDATA[Due: 09/15/2026]]> //www.britton.k12.sd.us/homeworkItem12996447 //www.britton.k12.sd.us/apps/classes/1064027/assignments/
Due Dates:
1st choice activity 9/14

2nd choice activity 
11/09

3rd choice activity 
3/15

4th choice activity 
5/10
]]> Tue, 25 Aug 2026 04:09:38 PDT <![CDATA[Due: 09/15/2026]]> //www.britton.k12.sd.us/homeworkItem12996448 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ 1st choice activity 9/14

2nd choice activity 
11/09

3rd choice activity 
3/15

4th choice activity 
5/10
]]> Mon, 14 Sep 2026 23:19:20 PDT <![CDATA[Due: 09/12/2026]]> //www.britton.k12.sd.us/homeworkItem13008637 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Angular size
Ellipse
Epicycle
Focus
Geocentric model
Heliocentric mode
Kepler's three laws
Moon illusions
Parallax
Period
Retrograde motion
Satellite
Semimajor axis
]]> Wed, 09 Sep 2026 07:11:40 PDT <![CDATA[Due: 09/03/2026]]> //www.britton.k12.sd.us/homeworkItem13018239 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Mon, 14 Sep 2026 23:19:19 PDT <![CDATA[Due: 09/03/2026]]> //www.britton.k12.sd.us/homeworkItem13018243 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Mon, 14 Sep 2026 23:19:20 PDT <![CDATA[Due: 09/03/2026]]> //www.britton.k12.sd.us/homeworkItem13018231 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Mon, 14 Sep 2026 23:19:19 PDT <![CDATA[Due: 09/01/2026]]> //www.britton.k12.sd.us/homeworkItem13018230 //www.britton.k12.sd.us/apps/classes/1064027/assignments/ Mon, 14 Sep 2026 23:19:19 PDT