प्रिथिबी

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)
Aphelion152,097,701 km
(1.016 710 333 5 AU)
Perihelion147,098,074 km
(0.983 289 891 2 AU)
Semi-major axis149,597,887.5 km
(1.000 000 112 4 AU)
Semi-minor axis149,576,999.826 km
(0.999 860 486 9 AU)
Orbital circumference924,375,700 km
( 6.179 069 900 7 AU)
Orbital eccentricity0.016 710 219
Sidereal orbit period365.256 366 d
(1.000 017 5 a)
Synodic periodn/a
Max. orbital speed30.287 km/s
(109,033 km/h)
Average orbital speed29.783 km/s
(107,218 km/h)
Min. orbital speed29.291 km/s
(105,448 km/h)
Orbital inclination to ecliptic0
(7.25° to Sun's equator)
Longitude of the ascending node348.739 36°
Argument of the perihelion114.207 83°
Satellites1 (the Moon)
(see also 3753 Cruithne)
Physical characteristics
Aspect Ratio0.996 647 1
Ellipticity0.003 352 9
Equatorial radius6,378.137 km
Polar radius6,356.752 km
Mean radius6,372.797 km
Equatorial circumference40,075.02 km
Meridional circumference40,007.86 km
Mean circumference40,041.47 km
Surface area510,065,600 km²
Land area148,939,100 km² (29.2 %)
Water area361,126,400 km² (70.8 %)
Volume1.083 207 3×10१२ km³
Mass5.9742×10२४ kg
Density5,515.3 kg/m³
Equatorial surface gravity9.780 1 m/s²
(0.997 32 g)
Escape velocity11.186 km/s

39,600 km/h≅

Sidereal rotation period0.997 258 d (23.934 h)
Rotational velocity at equator465.11 m/s
Axial tilt23.439 281°
Right ascension of North pole0° (0 h 0 min 0 s)
Declination+90°
Albedo0.367
Surface temperature
minmeanmax
185 K287 K331 K
-88.3 °C14 °C57.7 °C
Surface pressure101.3 kPa (MSL)
AdjectiveTerrestrial, Terran, Telluric, Tellurian, Earthly, Earthling (lifeforms)
Atmospheric constituents
Nitrogen78.08 %
Oxygen20.94 %
Argon0.93 %
Carbon dioxide0.038 %
Water vaporTrace (varies with climate)