Which of the following Pluto observations did not help convince scientists to change Pluto's status from that of a planet?
A) discovery of the Kuiper Belt
B) discovery of seasonal atmosphere, similar to comets
C) discovery of large Kuiper Belt Objects
D) discovery of Pluto's 5 moons
Question 2
Which of the following was NOT a contribution of Galileo to astronomy?
A) Sunspots showed the Sun was rotating on its axis, like the Earth does.
B) The four moons of Jupiter are a model for the solar system motions in general.
C) The phases of Venus prove it orbits completely around the Sun.
D) The changing appearance of Saturn's rings corresponds to our seasons.
E) The craters and mountains of the Moon prove it a world in its own right.
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