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Moon
Credit: NASA
Credit: Watanabe Tsuyoshi
Credit: JPL/NASA
Satellite 衛星
¼ Earth
Credit: Robert Gendler
Moon 月球
Radius 半徑
Mass 質量
Gravitational force 重力
Surface Temp. 表面溫度
Rotational period 自轉週期
Moon 月球
Radius 半徑
Mass 質量
Gravitational force 重力
Surface Temp. 表面溫度
Rotational period 自轉週期
1738 km (1/4 of the Earth’s)
~1/81 of the Earth’s
~1/6 of the Earth’s
from 130 to -110 ℃ ℃
~27.3 days
1738 km (1/4 of the Earth’s)
~1/81 of the Earth’s
~1/6 of the Earth’s
from 130 to -110 ℃ ℃
~27.3 days
Credit: JHU/NASA
384 000 km
Credit: Calvin J. Hamilton
月殼 Crust
月幔 Mantle
月核 Core
月海 Maria / Sea
Credit: JPL/NASA
環形山 / 隕石坑Craters
Credit: NASA
Craters 隕石坑
Credit: NASA
Credit: NASA
Credit: NASA
近地
遠地
Moon’s Ellipse Orbit 月球橢圓軌道Credit: NMM London
遠地 Apogee 近地 Perigee
Credit: Antonio Cidadao
Credit: Galileo Project, NASA
Perigee Moon Apogee Moon
朔新月滿月
望
上弦
下弦
殘月
娥眉月凸月
凹月
Sunlight
太陽光
Credit: NMM London
月相 Phase
Credit: WFI Team, ESP, MPI-A, OAC
A waning crescent moon 殘月
Credit: Antonio Cidadao
Lunation 朔望月
Credit: Lick Observatory
Rotational Period (self-rotating)
= Orbital Period (rotates around the Earth)
= 27.3 days
Rotational Period (self-rotating)
= Orbital Period (rotates around the Earth)
= 27.3 days
Far side of the MoonCredit: NASA
Tides 潮汐
Tides
Credit: F. Espenak
日食 Solar Eclipse
月食 Lunar Eclipse
The moons orbit tips by about 5 to the earths orbit.
Umbra 本影
Penumbra 半影
Total Lunar Eclipse 月全食
Partial Lunar Eclipse 月偏食
Credit: Anthony Ayiomamitis
日食 Solar Eclipse
Credit: CENS
日全食 Total Solar Eclipse
日偏食 Partial Solar Eclipse
Credit: Murray Alexander
Courtesy Hong Kong Space Museum, Photograph by Chee-kuen Yip.
Credit: NASA
Credit: Calvin J. Hamilton
Credit: NASA
Credit: NASA
Credit: NASA