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