711Ocean tides on Earth are primarily caused by the gravitational pull of which celestial body?
712Approximately how long does it take Earth to complete one full orbit around the Sun?
713Approximately how long does it take Earth to complete one full rotation on its own axis?
714Venus is sometimes referred to as Earth’s twin planet mainly because of what shared characteristic?
715The asteroid belt in our solar system is primarily located between the orbits of which two planets?
716Pluto, once classified as the ninth planet, is now officially classified as what kind of celestial body?
717The Sun is primarily composed of which two chemical elements?
718Astronomically, the Sun is best classified as what type of celestial object?
719The visible outer surface layer of the Sun that we normally see is called what?
720The Sun generates its enormous energy primarily through which nuclear process occurring in its core?
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