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Correct Answer: C) Rocky surfaces.
Correct Answer: B) Built larger and more advanced telescopes.
Correct Answer: C) Meteor.
Correct Answer: C) Great Dark Spot.
Correct Answer: A) Mars.
Correct Answer: A) Jupiter.
Correct Answer: B) Most are only visible at night.
Correct Answer: D) They are all made of gas.
Correct Answer: A) New moon, crescent, first quarter, gibbous, last quarter, new moon.
Correct Answer: C) Venus.
Correct Answer: D) 365 days.
Correct Answer: B) Hydrogen.
Correct Answer: A) Asteroid Belt.
Correct Answer: C) Earth is tilted away from the Sun.
Correct Answer: B) Convection Currents.
Correct Answer: C) Galaxy.
Correct Answer: A) 0.
Correct Answer: D) Asteroids.
Correct Answer: A) Oxygen.
Correct Answer: A) Gravity.
Correct Answer: D) Black Hole.
Correct Answer: B) They are both similar size and density.
Correct Answer: B) The closest of all the stars we see.
Correct Answer: A) Hot and poisonous.
Correct Answer: C) Sun, solar system, Milky Way, universe.