What causes the tides on Earth? A. The rotation of the Earth B. The revolution of the Earth around the sun C. The gravitational pull of the moon and the sun D. The shape of the ocean basins 相关知识点: 试题来源: 解析 C。地球上潮汐的产生是由于月球和太阳的引力作用,选项 C 正确。
What causes the different phases of the Moon? A. The changing position of the Moon relative to the Earth and the Sun. B. The amount of sunlight reflected by the Moon's different surfaces. C. The gravitational pull of the Earth on the Moon. D. The presence of other celestial bodies ...
Now that's a straightforward question with a deep answer. Newton did an awfully good job at giving us an answer — the Law of Universal Gravitation that I quoted above. So good that we call the constant of proportionality, Newton's Gravitational Constant, and write itGN, or justG. In equ...
In the inner part, once an object gets large enough, that object's gravitational field gets stronger, which speeds up the accretion process. You know, larger objects attract smaller ones and sort of gobble them up. And eventually, you get a full-sized planet in its own orbit.Okay. That'...
glassthatmagnifiesthelightformobjectsbehindit,aphenomenonknownasgravitationallensing (引力透镜效应).Earendelsitsonorclosetothatspaceripple,causingitto“popout”fromthe generalglowofitsgalaxybecausethephenomenonmagnifieditsbrightnessatleastathousand fold. Ininterviewsthisweek,severalscientistswhoarenotpartoftheEarendel...
Fling a ball hard enough, and it never returns. You don't see that happen in real life because the ball must travel at least 11.3 kilometers (7 miles) per second to escape Earth's gravitational pull. Every object, whether it's a lightweight feather or a
This was the highest temperature ever measured (测量) on the planet Earth. The highest waterfall in the world is Angel Falls in Venezuela which drops from an amazing height of 3 212 feet. The waterfall drops over the edge of Auyantepui in the Canaima National Park. The gravitational pull ...
However it was thanks to Newton that we know that any two objects in the universe that have mass exert a gravitational pull on each other. The greater the mass and the closer the two objects are, the stronger the force of gravity. Indeed it was this knowledge plus the formulae he derive...
to contribute to the strength of the gravitational force. It is the movement of this flow which drags us with it. Forgive the analogy - it's as if we are standing underneath a waterfall made of dark energy. The "push of gravity" is a more appropriate phrase than "the pull of gravity...
Choosethecorrectanswerforeachquestion 1.Whatisatsunami? A.Anyearthquakethatcausessignificantdamage. B.Alargestormwithveryhighspeedwinds. C.Alargeandpowerfuloceanwave. D.Atypeoftornado. 2.Howdoesatsunamiform? A.Byalargedisplacementofwater. B.Bytherotationoftheearth. C.BythegravitationalpulloftheMoon....