पृथ्वी
विकिपिडिया नं
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| The Blue Marble, taken from Apollo 17. | ||||||||||
| Orbital characteristics (Epoch J2000) | ||||||||||
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| Aphelion | 152,097,701 km (1.016 710 333 5 AU) |
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| Perihelion | 147,098,074 km (0.983 289 891 2 AU) |
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| Semi-major axis | 149,597,887.5 km (1.000 000 112 4 AU) |
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| Semi-minor axis | 149,576,999.826 km (0.999 860 486 9 AU) |
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| Orbital circumference | 924,375,700 km ( 6.179 069 900 7 AU) |
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| Orbital eccentricity | 0.016 710 219 | |||||||||
| Sidereal orbit period | 365.256 366 d (1.000 017 5 a) |
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| Synodic period | n/a | |||||||||
| Max. orbital speed | 30.287 km/s (109,033 km/h) |
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| Average orbital speed | 29.783 km/s (107,218 km/h) |
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| Min. orbital speed | 29.291 km/s (105,448 km/h) |
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| Orbital inclination to ecliptic | 0 (7.25° to Sun's equator) |
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| Longitude of the ascending node | 348.739 36° | |||||||||
| Argument of the perihelion | 114.207 83° | |||||||||
| Satellites | 1 (the Moon) (see also 3753 Cruithne) |
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| 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 3Template:E km³ | |||||||||
| Mass | 5.9742Template:E kg | |||||||||
| Density | 5,515.3 kg/m³ | |||||||||
| Equatorial surface gravity | 9.780 1 m/s² (0.997 32 g) |
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| Escape velocity | 11.186 km/s
39,600 km/h≅ |
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| 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 |
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| 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) | |||||||||
पृथ्वी छगु ग्रह खः | थ्व ग्रह सूर्द्ययागु ३औ नापं यागु ग्रह खः । थ्व ग्रहय् ठोस, तरल व वायु रुपय् तत्त्वत दु। थ्व ग्रहय् तरल रुपय् ल (ना) दयाच्वंगु दु। आ तक्क प्राणीत दुगु ग्रह थ्व हे छगु जक्क खनेदु। थ्व ग्रहयागु वायुमण्डलय् नाइट्रोजन व अक्सिजन वायुत अप्व खनेदु। तरल अवस्थाय् ल (निगु हाइड्रोजन व छगु अक्सिजन स्वाना दुगु कम्पाउन्ड) अप्व दु।
