Classroom Activity

Problem 20, Astronomy in the round
First page of Problem 20, Astronomy in the round

The information in this document was accurate as of the original publication date.

Audience: Educators
Grades: 7-9


In this activity, students use astronomical photographs of various solar system bodies to determine how large a celestial body has to be before it starts to look round. Student and teacher pages are included.

Problem 20, Astronomy in the round  [249KB PDF file]

This activity is part of Space Math II.