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Group Activity

During a steady rain, go outside with your partner and an umbrella for each of you. Have your partner stand still and note the direction your partner has to tilt her or his umbrella to keep from getting wet. Walk rapidly through the rain and note the direction you have to tilt your umbrella to keep dry. Walk even faster and note the direction of tilt. Compare the tilts you had to use with that of your stationary partner. Discuss the results in terms of the aberration of starlight.

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