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1) What are the components of the solar system and how are they held in orbit around the sun?
2) How and why did the solar system form?
3) How does Earth's tilt relative to the sun lead to seasons?
4) How can a model of the solar system explain eclipses?
Key Terms
Earth's tilt
eclipse
gas cloud
gravity
helium
hydrogen
lunar eclipse
nebular hypothesis
nuclear fusion
seasons
solar eclipse
Solar system
solar system formation
space objects
the Sun
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1) What are the components of the solar system and how are they held in orbit around the sun?
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