地球时(TT)是现代在地球表面上的时间标准,是位于大地海平面体验的原时。
地球时代 Empire Earth ; Earth Empire ; Empire of Earth
地球时刻 Earth Hour
地球时间 Earth Hour ; pire Ecultureh ; ERT
后地球时代 After Earth
地球时代中文版 EMPIRE EARTH
地球一小时 Earth Hour ; Earth One Hour ; Ecultureh Hour ; Efine arth Hour
地球时报 EarthTimes
地球时期 pire Ecraft workh ; pire Efine arth ; pire Etechniqueh ; pire Eform of arth
为地球时 Terrestrial Time
太阳光线照射到地球时,大量的热被反射回太空。
When the sun's rays hit the earth, a lot of the heat is reflected back into space.
这样的话,当2023年样本到达地球时,会保证原封不动。
This way, it will be unchanged when it arrives on our planet in twenty-twenty-three.
试想象当月亮接近地球时,潮汐将会上涨直至覆盖海底的岩浆层!
Imagine the tides a moon that close would raise on an Earth awash with oceans of magma!
Likewise, when in outer space, when you are orbiting the Earth, people are always floating around in these space stations.
就好比在外太空,当你在绕地球运行时,宇航员总是悬浮在太空站
So, when you divide by m, m cancels and everything falls at the same rate on the surface of the Earth.
因此,当等号两边除以 m 时,m 被消去了,在地球表面的所有物体,都以相同的加速度下落
Right. The most famous example is that when things fall near the surface of the Earth, they all have the same acceleration, and the acceleration that's common is called g, and that's 9.8 m/s^.
最有名的例子就是,当物体地球表面附近下落时,它们都拥有相同的加速度,这个普遍的加速度叫做g,大小为9.8m/s^
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