We see the moon change its shape. What is this called? A. Eclipse B. Rotation C. Revolution D. Phases 相关知识点: 试题来源: 解析 D。A 选项“Eclipse”是日食或月食;B 选项“Rotation”是自转;C 选项“Revolution”是公转;D 选项“Phases”是月相。我们看到月亮形状的变化叫做月相。涉及的天文知识...
What causes the seasons? A. The rotation of the earth. B. The movement of the moon. C. The tilt of the earth. D. The distance between the E. arth and the sun. 相关知识点: 试题来源: 解析 C。本题考查对季节形成原因的掌握。地球的倾斜导致不同地区在不同时间接收到的太阳辐射不同,从...
See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2024.
A. The rotation of the Earth. B. The movement of the moon. C. The heat of the sun. D. The blowing of the wind. 相关知识点: 试题来源: 解析 B。潮汐是由月球的运动引起的,选项 A 地球的自转不是潮汐形成的主要原因;选项 C 太阳的热量不是潮汐的成因;选项 D 风的吹拂不会导致潮汐,所以选...
Here’s how it works. A radio galaxy is a type of galaxy with giant regions of radio emissions that reach far beyond its visible structure. The core of Centaurus A imaged here, is the smallest known extragalactic radio source, only 10 light-days across. (Image credit: ESO) Jump to: ...
Gravity keeps the moon where it's supposed to be — in orbit. Peepo / Getty Images Gravity is a force that we experience every day, yet it remains somewhat of a mystery. It's the reason we stay grounded on Earth and why objects fall when dropped. Although there are several theories ...
The program will help you to get the body you so desire and ditch the strenuous gym. People must practice yoga to have a great body and have the cardiac and mental stability desired. It is easier to lose the stubborn fat around the belly's lower abdomen and thighs using this program. ...
Vernal does not mean new or fresh in Latin. The Latin word for new is nova and the Latin word for fresh is recentibus. Ver means Spring in Latin. According to the Oxford dictionary it evolved over time from Ver (Spring) to Vernus (of the Spring) to Vernalis to Vernal (around the ...
Many people have wondered what makes the oceans rise and fall on the world's beaches twice a day.Those tides are caused by the force of the Moon's graveity(地心引力) and the rotation(自转) of the Earth.Gravity acts on the center of any solid object.The Earth is mostly molten(熔化的...
英语翻译Many people have wondered what makes the oceans rise and fall on the world's beaches twice a day.Those tides are caused by the force of the Moon's graveity(地心引力) and the rotation(自转) of the Earth.Gravity acts on the center of