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1. Intro In the 18th century, there was a belief which the sun sets from the west and rises from the east. This is because of our gravitational pull. Whilst the earth spins all-around us, the sun's gentle is
1. Intro In the 18th century, there was a belief which the sun sets from the west and rises from the east. This is because of our gravitational pull. Whilst the earth spins all-around us, the sun's gentle is