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Build an astrolabe
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Build an astrolabe

Build an astrolabe and measure the height of the tallest thing in your neighborhood. Record a video and mention how tall you think it is.
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The Challenge

Build an astrolabe

Build an astrolabe and measure the height of the tallest thing in your neighborhood. Record a video and mention how tall you think it is.
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Create

Post your own creation!

Complete this challenge by posting your own project outcome.

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Take a time lapse of a celestial body

Get started with Take a time lapse of a celestial body. Explore the challenge below.

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Take a time lapse of a celestial body

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