galaxies

Exploring the Universe: Space Guess Quest Game
In this activity, learners play a yes-or-no question guessing game that identifies the many types of objects in space, from human-made spacecraft to nebulas, galaxies, stars, and worlds.
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Exploring the Universe: Expanding Universe
In this activity, learners pull at the edges of a stretchy model universe and see that the space between objects in the universe is expanding.
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