Multiple Choice
The nightly motion of objects across the sky from horizon to horizon is caused by the
A) motion of the solar system around the Galaxy.
B) revolution of Earth around the Sun.
C) rotation of the whole celestial sphere of stars around the fixed Earth.
D) rotation of Earth on its axis.
Correct Answer:
Verified
Correct Answer:
Verified
Q190: The present-day calendar, which includes leap years
Q191: When the Moon is in its gibbous
Q192: Since antiquity astronomers have counted 12 zodiac
Q193: At approximately what time does the crescent
Q194: Any star (except the Sun), when viewed
Q196: What are the alt-azimuth coordinates of Polaris,
Q197: In the system of celestial coordinates that
Q198: Over what typical time scale will the
Q199: The time interval from seeing the bright
Q200: How often does the Sun cross the