The Blue Marble,
Apollo 17, December 1972
|
|||||||||
| Designations | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| The world, the globe, Sol III, Terra, Tellus, Gaia, Mother Earth | |||||||||
| Adjectives | Earthly, terrestrial, terran, tellurian | ||||||||
| Symbol | 🜨 and ♁ | ||||||||
| Orbital characteristics | |||||||||
| Epoch J2000[n 1] | |||||||||
| Aphelion | 152097597 km | ||||||||
| Perihelion | 147098450 km[n 2] | ||||||||
| 149598023 km[1] | |||||||||
| Eccentricity | 0.0167086[1] | ||||||||
| 365.256363004 d[2] (1.00001742096 aj) |
|||||||||
|
Average
orbital speed
|
29.7827 km/s[3] | ||||||||
| 358.617° | |||||||||
| Inclination |
|
||||||||
| −11.26064° – J2000 ecliptic[3] | |||||||||
| 2023-Jan-04[5] | |||||||||
| 114.20783°[3] | |||||||||
| Satellites | 1, the Moon | ||||||||
| Physical characteristics | |||||||||
| 6371.0 km[6] | |||||||||
|
Equatorial radius
|
6378.137 km[7][8] | ||||||||
|
Polar radius
|
6356.752 km[9] | ||||||||
| Flattening | 1/298.257222101 (ETRS89)[10] | ||||||||
| Circumference |
|
||||||||
| Volume | 1.08321×1012 km3[3] | ||||||||
| Mass | 5.972168×1024 kg[13] | ||||||||
|
Mean
density
|
5.513 g/cm3[3] | ||||||||
| 9.80665 m/s2[14] (exactly 1 g0) |
|||||||||
| 0.3307[15] | |||||||||
| 11.186 km/s[3] | |||||||||
|
1.0 d
(24h 00 m 00s) |
|||||||||
|
Equatorial rotation velocity
|
0.4651 km/s[17] | ||||||||
| 23.4392811°[2] | |||||||||
| Albedo | |||||||||
| Temperature | 255 K (−18 °C) (blackbody temperature)[18] |
||||||||
|
|||||||||
| Surface equivalent dose rate | 0.274 μSv/h[22] | ||||||||
| −3.99 | |||||||||
| Atmosphere | |||||||||
|
Surface
pressure
|
101.325 kPa (at sea level) | ||||||||
| Composition by volume |
|
||||||||
|
The Blue Marble,
Apollo 17, December 1972
|
|||||||||
| Designations | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| The world, the globe, Sol III, Terra, Tellus, Gaia, Mother Earth | |||||||||
| Adjectives | Earthly, terrestrial, terran, tellurian | ||||||||
| Symbol | 🜨 and ♁ | ||||||||
| Orbital characteristics | |||||||||
| Epoch J2000[n 1] | |||||||||
| Aphelion | 152097597 km | ||||||||
| Perihelion | 147098450 km[n 2] | ||||||||
| 149598023 km[1] | |||||||||
| Eccentricity | 0.0167086[1] | ||||||||
| 365.256363004 d[2] (1.00001742096 aj) |
|||||||||
|
Average
orbital speed
|
29.7827 km/s[3] | ||||||||
| 358.617° | |||||||||
| Inclination |
|
||||||||
| −11.26064° – J2000 ecliptic[3] | |||||||||
| 2023-Jan-04[5] | |||||||||
| 114.20783°[3] | |||||||||
| Satellites | 1, the Moon | ||||||||
| Physical characteristics | |||||||||
| 6371.0 km[6] | |||||||||
|
Equatorial radius
|
6378.137 km[7][8] | ||||||||
|
Polar radius
|
6356.752 km[9] | ||||||||
| Flattening | 1/298.257222101 (ETRS89)[10] | ||||||||
| Circumference |
|
||||||||
| Volume | 1.08321×1012 km3[3] | ||||||||
| Mass | 5.972168×1024 kg[13] | ||||||||
|
Mean
density
|
5.513 g/cm3[3] | ||||||||
| 9.80665 m/s2[14] (exactly 1 g0) |
|||||||||
| 0.3307[15] | |||||||||
| 11.186 km/s[3] | |||||||||
|
1.0 d
(24h 00 m 00s) |
|||||||||
|
Equatorial rotation velocity
|
0.4651 km/s[17] | ||||||||
| 23.4392811°[2] | |||||||||
| Albedo | |||||||||
| Temperature | 255 K (−18 °C) (blackbody temperature)[18] |
||||||||
|
|||||||||
| Surface equivalent dose rate | 0.274 μSv/h[22] | ||||||||
| −3.99 | |||||||||
| Atmosphere | |||||||||
|
Surface
pressure
|
101.325 kPa (at sea level) | ||||||||
| Composition by volume |
|
||||||||
