The largest moon in the solar system is
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(a) the Earths moon
(b) Ganymede
(c) Triton
(d) Io
Question 2
Lunar eclipses last longer than solar eclipses because
a) the Moon is much farther from Earth during a lunar eclipse.
b) the diameter of Earth is much greater than the diameter of the Moon.
c) Earth's period of rotation is always greater during a lunar eclipse than during a solar eclipse.
d) the lunar shadow is only a penumbra with no dark umbra region to extend the length of the eclipse.