Template:উপগ্রহ-চাঁদ - Wikipedia

# Template:উপগ্রহ-চাঁদ

### উইকিপিডিয়া, মুক্ত বিশ্বকোষ থেকে

চাঁদ
The Moon as seen from Earth
Orbital characteristics
Orbital circumference | 2,413,402 km (0.016 AU)
Eccentricity | 0.0554
Perigee | 363,104 km (0.0024 AU)
Apogee | 405,696 km (0.0027 AU)
Revolution period (Sidereal period) | 27.321 66155 d (27 d 7 h 43.2 min)
Synodic period | 29.530 588 d (29 d 12 h 44.0 min)
Avg. Orbital Speed | 1.022 km/s
Max. Orbital Speed | 1.082 km/s
Min. Orbital Speed | 0.968 km/s
Inclination | varies between 28.60° and 18.30° (5.145 396° to ecliptic) see below
Longitude of the ascending node | regressing, 1 revolution in 18.6 years
Argument of perigee | progressing, 1 revolution in 8.85 years
Is a satellite of | Earth
Physical characteristics
Equatorial diameter | 3,476.2 km[১] (0.273 Earths)
Polar diameter | 3,472.0 km (0.273 Earths)
Oblateness | 0.0012[২]
Surface area | 3.793×107<noinclude> km2 (0.074 Earths)
Volume | 2.1958×1010<noinclude> km3 (0.020 Earths)
Mass | 7.347 673×1022<noinclude> kg (0.0123 Earths)
Mean density | 3,346.2 kg·m−3
Equatorial gravity | 1.622 m·s−2, (0.1654 gee)
Escape velocity | 2.38 km·s−1
Rotation period | 27.321 661 d (synchronous)
Rotation velocity | 16.655 km·h−1 (at the equator)
Axial tilt | 1.5424° to ecliptic see Orbit
Albedo | 0.12
Magnitude | -12.74

Surface temp.

min | mean | max
--- | --- | ---
40 K | 250 K | 396 K

Bulk composition of the moon's mantle and crust
estimated, weight percent
Oxygen | 42.6 %
Magnesium | 20.8 %
Silicon | 20.5 %
Iron | 9.9 %
Calcium | 2.31 %
Aluminium | 2.04 %
Nickel | 0.472 %
Chromium | 0.314 %
Manganese | 0.131 %
Titanium | 0.122 %
Atmospheric characteristics
Atmospheric pressure | 3 × 10-13kPa
Helium | 25 %
Neon | 25 %
Hydrogen | 23 %
Argon | 20 %
Methane Ammonia Carbon dioxide | trace

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