Aravala

Aravala
	The most widely used photograph of Earth, taken by SNTL Cosmonauts in 1975
Designations
Alternative names	Earth, World, Maa, Maapallo, Daellak
Adjectives	Aravalanian
Orbital characteristics
	Epoch J2000
Aphelion	152100000 km (94500000 mi)
Perihelion	147095000 km (91401000 mi)
Semi-major axis	149598023 km (92955902 mi)
Eccentricity	Template:Val
Orbital period	365.256363004 d; (31558.1497635 ks)
Average orbital speed	29.78 km/s; (107200 km/h; 66600 mph)
Mean anomaly	Template:Val
Inclination	Template:Ublist
Longitude of ascending node	Template:Val to J2000 ecliptic
Time of perihelion	2021-Jan-02 13:59
Argument of perihelion	Template:Val
Satellites	1 natural satellite: the Moon; 5 quasi-satellites; >3 300 operational artificial satellites; >18 000 tracked space debris;
Physical characteristics
Mean radius	6371.0 km (3958.8 mi)
Equatorial radius	6378.137 km (3963.191 mi)
Polar radius	6356.752 km (3949.903 mi)
Flattening	1/Template:Val (ETRS89)
Circumference	40075.017 km equatorial (24901.461 mi); 40007.86 km meridional (24859.73 mi);
Surface area	510067420 km2 (196938130 sq mi); 148940000 km2 land (57510000 sq mi); 361132000 km2 water (139434000 sq mi);
Volume	[[Volume of the Earth\|Template:Val]] (Template:Val)
Mass	Template:Val (Template:Val) ; (Template:Val)
Mean density	5.514 g/cm3 (0.1992 lb/cu in)
Surface gravity	9.80665 m/s2 ([[Gravity of Earth\|Template:Val]]; 32.1740 ft/s2)
Moment of inertia factor	0.3307
Escape velocity	11.186 km/s (40270 km/h; 25020 mph)
Sidereal rotation period	Template:Val ; (23h 56m 4.100s)
Equatorial rotation velocity	1674.4 km/h ; (0.4651 km/s; 1674.4 km/h; 1040.4 mph)
Axial tilt	Template:Val
Albedo	Template:Ublist
Atmosphere
Surface pressure	Template:Val (at MSL)
Composition by volume	78.08% nitrogen (Template:Chem2; dry air); 20.95% oxygen (Template:Chem2); ~ 1% water vapor (climate variable); 0.9340% argon; 0.0413% carbon dioxide; 0.00182% neon; 0.00052% helium; 0.00019% methane; 0.00011% krypton; 0.00006% hydrogen;

Etymology

Geography

Plate teutonics

Climate

Continents

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Aravala

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