General Knowledge about earth

General Knowledge about earth

Important General Knowledge of earth Updated on July 26,2019

4,550 Million Years

5.967 x 10 to the power 24 kg

1.083 x 10 to the power liters

Mean Density
5.518 kg/lt

Total Surface Area
510 million sq. km

Land Area
29.2% of the total surface area

Water Area
70.8% of the total surface area

Equatorial Diameter
12,755 km

Polar Diameter
12, 712 km

Escape Velocity
11.2 km/sec

Highest Land Point
Mount Everest (8,852 m)

Lowest Land Point
Dead Sea (396m)

Greatest Ocean Depth
Mariana Trench (11,033)

Equatorial Circumference
40,024 km

Polar Circumference
40,024 km

Mean Surface Temperature

Maximum distance from Sun (Aphelion)
About 150 million km

Minimum distance from sun (Perihelion)
About 147 million km

Rotation Speed
23 hrs, 56 min, 40.91 sec

Revolution Speed
365 days, 5 hrs, 45.51 sec

Dates when days & nights are equal
Mar, 21 (Vernal Equinox): Sept. 23 Autumnal Equinox)

Dates of longest days and shortest nights
June 21 (Summer Solstice): Dec, 22 (Winter Solstice