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4 Cards in this Set
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Edexcel P1 Revision Cards Core Science |
Answer all the questions right to ace the exam!
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How have our ideas about the solar system changed over time?
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People used to believe that everything in the solar system orbited the Earth (geocentric model) now we know that everything orbits the sun (heliocentric model).
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Geo- and Helio-....
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What did Galileo observe and what did it show?
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Galileo used a telescope to observe Jupiter, and realized that it had 4 large moons orbiting it. This was an important discovery, because it demonstrated that the Earth was not the center of the Universe as this showed not everything orbited the earth.
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Moons orbiting...
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