天文学基础知识详说_

1、Credit: Watanabe Tsuyoshi Credit: JPL/NASA Satellite 衛星 Earth Credit: Robert Gendler Moon 月球月球 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 Earths) 1/81 of the Earths 1/6 of the Earths from 130 to -110 27.3 days Credit: JHU/NASA 384 000 km Cr

2、edit: 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 Moons 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

3、MoonApogee Moon 朔朔 新月滿月 望望 上弦 下弦 殘月 娥眉月 凸月 凹月 Sunlight 太陽光太陽光 Credit: NMM London 月相月相 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 d

4、ays Far side of the Moon Credit: 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 Credit: JHU/NASA 384 000 km Craters 隕石坑 Credit: NASA Far side of the Moon Credit: NASA Tides 潮汐