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The scientist who explained orbits as an effect of gravity was:
Q7: Discuss the major intellectual failure on macroeconomics
Q7: A resident of the Southern Hemisphere observes
Q8: Which of the following is a result
Q18: Which of the following was NOT a
Q24: Earth's original atmosphere escaped into space because:<br>A)
Q33: Which of the following most accurately describes
Q33: The coma of a comet glows because:<br>A)
Q40: An astronomer takes spectra of two stars,A
Q60: A terrestrial planet that forms in an
Q62: Which planet rotates in the opposite direction