Multiple Choice
Which of the following pieces of observational evidence does our modern "solar nebula" theory of the formation of the solar system NOT explain directly?
A) the fact that all the planets revolve around the equator of the Sun in the same direction
B) the difference in the composition of the terrestrial and jovian planets
C) the ages of the oldest rocks on Earth, the Moon, and meteorites
D) the plane of the orbit of Pluto
E) the existence of comets in the outer solar system made mainly of frozen gases
Correct Answer:

Verified
Correct Answer:
Verified
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