DESCRIPTION OF THE EARTH
Sl. No.
|
Particulars |
Description |
1
|
Equatorial Circumference
|
40,075 km
|
2
|
Polar Circumference
|
40,008 km
|
3
|
Equatorial Diameter
|
12,756 km
|
4
|
Polar Diameter
|
12,720 km
|
5
|
Equatorial Radius
|
6,371 km
|
6
|
Polar Radius
|
6,357 km
|
7
|
Maximum distance from the Sun (Aphelion)*
|
152,097,701 km
|
8
|
Minimum distance from the Sun (Perihelion)*
|
147,098,074 km
|
9
|
Mean distance from the Sun (One Astronomical Unit)*
|
149,597,870 km
|
10
|
Period of Rotation
|
23 hours 56 minutes 4 seconds
|
11
|
Period of Revolution
|
365.256 days
|
12
|
Speed of Rotation
|
1610 km/hour
|
13
|
Speed of Revolution
|
29.78 km/second
|
14
|
Inclination
|
23 ½°
|
15
|
Summer Solstice*
|
June 21
|
16
|
Winter Solstice*
|
December 22
|
17
|
Mass
|
59,72,00,00,00,00,00,00,00,00,00,000 kg
|
18
|
Volume
| 1 trillion cubic km |
19
|
Density
|
5.51 g cubic cm
|
20
|
Gravity
|
9.807 meter/s2
|
| 21 |
Total Area
|
51,00,66,000 sq.km
|
22
|
Land Area
|
14,84,29,000 sq.km
|
23
|
Water Area
|
36,16,37,000 sq. km
|
24
|
Age
|
4,600 million years
|
| Geoid* |
*Aphelian: July 4 is the Aphelian. On this day the Earth
is most farthest from the Sun.
*Perihelion: January, 3 is the Perihelion. On this day the
Earth is most nearest to the Sun.
*Astronomical Unit :
1 AU = 149,597,870 km. This is the approximate mean distance between Sun and
Earth. So the mean distance is slightly varied.
*Summer Solstice: June, 21 is the longest day. On this day Sun
is most far away from Earth’s Equator.
*Winter Solstice: December 22 is the shortest day. On this day
Sun is most nearest to Earth’s Equator.
*Geoid: The Earth is not a perfect sphere in shape. The earth like shape is called as Geoid.
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