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Correct Answer: B) Galileo.
Correct Answer: A) He was sentenced to life in prison and then he was put on house arrest for the rest of his life.
Correct Answer: B) Edwin Hubble.
Correct Answer: C) Continuous.
Correct Answer: D) Inertia.
Correct Answer: B) Were/would.
Correct Answer: B) Raj.
Correct Answer: C) The number of protons.
Correct Answer: B) How our universe began.
Correct Answer: A) Galaxy.
Correct Answer: A) 7, 000 Hz.
Correct Answer: B) The star is moving toward us.
Correct Answer: A) Could/'d.
Correct Answer: A) All matter in the universe expanded from a tiny point.
Correct Answer: B) An expansion.
Correct Answer: A) Losing negative charges.
Correct Answer: C) Decreases.
Correct Answer: D) Planetesimal.
Correct Answer: A) 7 g/cm3.
Correct Answer: A) Current expansion rate of the universe.
Correct Answer: C) Hydrogen, Helium.
Correct Answer: A) Neutron Star.
Correct Answer: A) Big bang.
Correct Answer: C) Helium 3 atom.
Correct Answer: A) Recombination.