What is the definition of the vernal equinox?
A) March 21
B) the point on the celestial equator crossed by the local meridian at Greenwich Observatory
C) the date when the Sun first enters the constellation Aries
D) the point on the ecliptic where the Sun crosses the celestial equator from south to north
Correct Answer:
Verified
Q61: During one complete year, an observer on
Q62: Where would you have to be in
Q63: You view the night sky for a
Q64: Suppose Earth's rotation axis were straight up
Q65: Suppose Earth's rotation axis were straight up
Q67: What is the right ascension of the
Q68: What is the declination of the Sun?
A)0°
B)90°
C)a
Q69: What is the declination of Polaris?
A)0°
B)90°
C)a number
Q70: In its motion across the sky against
Q71: The zodiac is a:
A)band of sky extending
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