Exam (elaborations)
LAB 4 ASTR 102
- Course
- ASTR 102
- Institution
- American Public University System
Lab 4 How Big is our Galaxy? ASTRO 102 1 Objective The objective of this lab was to introduce methods that astronomers use to estimate properties of astronomical objects using observations. 2 Introduction A variable star is a star whose brightness changes periodically. Variable stars are com...
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