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Question 4:
Hubble has helped astronomers solve many of the universe's mysteries. Identify a discovery that you would like to research and learn more about, and tell why.

Your answer will depend on which discovery you choose. You may choose to research dark energy because it is a mysterious energy that astronomers are still learning about, but it makes up most of the energy in the universe. Depending on your interests, you may also choose to research galaxies or extrasolar planets.

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