EARTH : SOME IMPORTANT FACTORS

EARTH : SOME IMPORTANT FACTORS
Age
4,550 Million Years
Mass
5.967 x 10 to the power 24 kg
Volume
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
14°C
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)

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