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Planetary Geology
When objects in space collide, they leave behind craters that slowly accumulate over time. In this lab, you’ll count impact craters on planetary surfaces to estimate how long those surfaces have been exposed — just like planetary scientists determine the ages of worlds across our Solar System.
Watch the Science Lesson
Recording posted 11/12/25!
Do the Assignments
Please download the Student Handout (use the button above) for specific homework and quiz questions assigned for this week.
Homework
Work through the assigned set of review questions, quantitative problems, and quiz questions.
Space Podcast
Students choose a space-related podcast episode to listen to and write a short summary in their journal.
Lab Project Activity
When objects in space collide, they leave behind craters that slowly accumulate over time. In this lab, you’ll count impact craters on planetary surfaces to estimate how long those surfaces have been exposed — just like planetary scientists determine the ages of worlds across our Solar System.
Supplemental Videos
The videos below are astronomy calculation problems designed to expand on our topics in class and the lab above. (Please ignore the Lab numbers on the title slide - these are pulled from different sessions from the math program!)