Why is the solar day 4 minutes longer than the sidereal day?
A) the earth moves around the sun
B) the sun is not on the ecliptic
C) the sun is not on the equator
D) the stars change positions
E) from the moon's gravity

Hello player55,

Correct Answer: A

"shorter than the solar day because the Earth 's orbital motion about
the Sun  means the Earth  has to rotate slightly more than one turn
with respect to the "fixed" stars in order to reach the same Earth-Sun
orientation."
Source: http://scienceworld.wolfram.com/astronomy/SiderealDay.html

tisme-ga


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