Students compare astronomical images taken at different dates to identify a moving object among fixed stars. They analyze brightness and positional changes, testing hypotheses about visibility and motion, including retrograde effects. Through this investigation, they locate Pluto and understand how observational constraints and motion models guide discovery.
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Activity Information
Big Ideas
The night sky is rich and dynamic
Astronomy is a science that studies celestial objects and phenomena in the Universe
We all live on a small planet within the Solar System
We are all made of stardust
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