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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

free Ages 4 - adult 10 to 30 minutes
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This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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This chocolate chip cookie recipe includes templates for baking night sky constellations of the season right on top! Two templates are included, one for 9pm mid-April, and one for 10pm mid-July.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this online interactive challenge, learners choose items to represent the Earth or solar system, then determine other items to represent the Moon, or Milky Way based on their relative size.

free Ages 8 - 18 10 to 30 minutes