प्रिथिबी

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पृथ्वी छगु ग्रह खः | थ्व ग्रह सूर्द्ययागु ३औ नापं यागु ग्रह खः । थ्व ग्रहय् ठोस, तरलवायु रुपय् तत्त्वत दु। थ्व ग्रहय् तरल रुपय् (ना) दयाच्वंगु दु। आ तक्क प्राणीत दुगु ग्रह थ्व हे छगु जक्क खनेदु। थ्व ग्रहयागु वायुमण्डलय् नाइट्रोजनअक्सिजन वायुत अप्व खनेदु। तरल अवस्थाय् ल (निगु हाइड्रोजन व छगु अक्सिजन स्वाना दुगु कम्पाउन्ड) अप्व दु।

पृथ्वी 🜨
A color image of Earth as seen from Apollo 17.
The Blue Marble, taken from Apollo 17.
Orbital characteristics (Epoch J2000)
Aphelion 152,097,701 km
(1.016 710 333 5 AU)
Perihelion 147,098,074 km
(0.983 289 891 2 AU)
Semi-major axis 149,597,887.5 km
(1.000 000 112 4 AU)
Semi-minor axis 149,576,999.826 km
(0.999 860 486 9 AU)
Orbital circumference 924,375,700 km
( 6.179 069 900 7 AU)
Orbital eccentricity 0.016 710 219
Sidereal orbit period 365.256 366 d
(1.000 017 5 a)
Synodic period n/a
Max. orbital speed 30.287 km/s
(109,033 km/h)
Average orbital speed 29.783 km/s
(107,218 km/h)
Min. orbital speed 29.291 km/s
(105,448 km/h)
Orbital inclination to ecliptic 0
(7.25° to Sun's equator)
Longitude of the ascending node 348.739 36°
Argument of the perihelion 114.207 83°
Satellites 1 (the Moon)
(see also 3753 Cruithne)
Physical characteristics
Aspect Ratio 0.996 647 1
Ellipticity 0.003 352 9
Equatorial radius 6,378.137 km
Polar radius 6,356.752 km
Mean radius 6,372.797 km
Equatorial circumference 40,075.02 km
Meridional circumference 40,007.86 km
Mean circumference 40,041.47 km
Surface area 510,065,600 km²
Land area 148,939,100 km² (29.2 %)
Water area 361,126,400 km² (70.8 %)
Volume 1.083 207 3×10१२ km³
Mass 5.9742×10२४ kg
Density 5,515.3 kg/m³
Equatorial surface gravity 9.780 1 m/s²
(0.997 32 g)
Escape velocity 11.186 km/s

39,600 km/h≅

Sidereal rotation period 0.997 258 d (23.934 h)
Rotational velocity at equator 465.11 m/s
Axial tilt 23.439 281°
Right ascension of North pole 0° (0 h 0 min 0 s)
Declination +90°
Albedo 0.367
Surface temperature
min mean max
185 K 287 K 331 K
-88.3 °C 14 °C 57.7 °C
Surface pressure 101.3 kPa (MSL)
Adjective Terrestrial, Terran, Telluric, Tellurian, Earthly, Earthling (lifeforms)
Atmospheric constituents
Nitrogen 78.08 %
Oxygen 20.94 %
Argon 0.93 %
Carbon dioxide 0.038 %
Water vapor Trace (varies with climate)