The difference in the duration of day and night increases as one moves from:_________?
A. West to East
B. East and west of the prime meridian
C. Equator to poles
D. None of these
Which Civilization developed & implemented the first solar calendar?
A. Babylonian
B. Greek
C. Egyptian
D. Aztec
The mean distance of the earth from the sun is astronomical units is____________?
A. 3.7 AU
B. 10 AU
C. 1 AU
D. 101 AU
The andromeda Galaxy is which type of the following types of galaxies?
A. Elliptical
B. Spiral
C. Irregular
D. None of these.