0.5%
2.5%
7.5%
12.5%
Moscow
Melbourne
Madrid
Madras
4,200 Km
6,400 Km
12,800 Km
15,600 Km
September 23rd
June 21st
March 21st
July 4th
The periods of rotation and revolution of the moon are equal
The moon does not rotate
Only one side reflects light
The moon is at perigee
At the Equator
In the Arctic circle
In the Tropic of cancer
At 45°N latitude
The moon, the sun and the earth are in the same line
The moon, the sun and the earth are at right angles with the earth at the apex
The moon is nearest to the earth
The moon is farthest from the earth
March 21
June 21
December 22
September 23
3.6 secs.
2 secs
1 sec.
1.3 secs.
Ocean floors
Crust
Core
Mantle