ECLIPSES
ECLIPSES The total or partial obscuration of light from a celestial body as it passes through the shadow of another body is known as eclipse......
15 Years Ago
Perigean and Apogean Tides
Perigean and Apogean Tides When the moon is nearest to the earth in its orbit (at perigee), its tide-producing power is greater than average......
15 Years Ago
Neap and Spring Tides
Neap and Spring Tides The sun, because of its greater distance from the earth, though much larger in size than the moon, has a tide-producin......
15 Years Ago
MOON AND TIDES
MOON AND TIDES Tides are defined as slight oscillations of sea level that occur approximately twice a day and attain exaggerated proportion......
15 Years Ago
THE MOON: EARTH\'S ONLY SATELLITE
Salient features of the moon, the earth's only satellite, are as follows: . The moon is earth's only satellite. . The mean distance between ......
15 Years Ago
SOLAR TIME
SOLAR TIME Solar Time, or sun time, is determined in two ways. Apparent Solar Time is the system of days and hours which goes strictly by t......
15 Years Ago