Template:গ্রহ-পৃথিবী
উইকিপিডিয়া, মুক্ত বিশ্বকোষ থেকে
The Blue Marble, taken from Apollo 17 | |
Orbital characteristics (Epoch J2000) | |
---|---|
অপসুর | 152,097,701 কিমি (1.016 710 333 5 [[ এইউ(AU)) |
অনুসুর | 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 |
Radius: | |
Equatorial | 6,378.137 km |
Polar | 6,356.752 km |
Mean | 6,372.797 km |
Diameter: | |
Equatorial | 12,756.274 km |
Polar | 12,713.504 km |
Mean | 12,745.594 km |
পরিধি: | |
বিষুবীয় | 40,075.02 km |
Meridional | 40,007.86 km |
গড় | 40,041.47 km |
Surface Area | 510,065,600 km² |
Land | 148,939,100 km² (29.2 %) |
Water | 361,126,400 km² (70.8 %) |
Volume | 1.083 207 3×1012<noinclude> km³ |
ভর | 5.9742×1024<noinclude> kg |
ঘনত্ব | 5,515.3 kg/m³ |
Equatorial surface gravity | 9.7801 m/s² (0.997 32 g) |
Escape velocity | 11.186 km/s |
Sidereal rotation period | 0.997 258 d (23.934 h) |
Rotational velocity (at the 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 (-88 °C) 287 K (14 °C) 331 K (58 °C) |
Surface pressure | 100 kPa |
Adjective | Earthling, Terrestrial, Terran |
Atmospheric constituents | |
nitrogen | 77 % |
oxygen | 21 % |
argon | 1 % |
carbon dioxide | 0.038% |
water vapor | trace (varies with climate) |
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