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Measure the Sun's Size
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In this activity, learners make their own pinhole viewer in order to measure the size of the sun.
The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.
Big Sun, Small Moon
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Learners will explore the concept of angular distance, and investigate why the moon appears to be the same size as the sun during a solar eclipse, despite the sun being much larger.
Spot the Sunspots
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In this activity, learners use binoculars (or a telescope) to identify and track sunspots. If using binoculars, learners need a pair that can be secured on a tripod.