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Which astronomical event marks the day with nearly equal hours of day and night worldwide?
Which planet is the closest to the sun in our solar system?
Which astronomical event marks the day with the longest period of daylight in the Northern Hemisphere?
Which natural satellite is the only one orbiting Earth and significantly influences ocean tides?
Which atmospheric phenomenon causes the sky to appear reddish orange during sunrise and sunset?
Which force is primarily responsible for keeping planets in orbit around the sun?
Which atmospheric phenomenon causes the sky to appear blue during the day?
Which scientific law explains that every object attracts every other object with a force proportional to their masses?
Which type of precipitation forms as layered ice balls created by strong updrafts within thunderstorms?
Which everyday device measures electrical current flowing through a circuit?