【题目】What if the Moon had never existed? For starters we know that the geophysical and dimstolocical history of the Earth would have been different. Although there is still large uncertainty abot bow the Moon was formed, the most currently favored theory describes a disastrous collisiog ...
2.form熟义:(n.)形式;类型全国其他教材词义:①Check what you have written before you hand in your application form.[外研](n. )② The form of the moon looks like a plate tonight. [冀教](n. )③Many large rubbish areas are formed in the North Pacific Ocean. [译林牛津](v.) ...
It's widely accepted that the Moon was formed from the debris of a collision between an infant Earth and a planet roughly the size ofMars, posthumously named Theia. Early in the Solar System's formation around 4.5 billion years ago, many emerging planets and protoplanets would have had overl...
After Earth and moon were formed, big rocks crashed into them. There were also a lot of volcanoes that spouted dust and ash. They spread hot liquid rock(or lava)over parts of Earth and the moon. On Earth much of the lava ...
The features of the Moon are easily seen by the naked eye because it has no atmosphere to hide its craters and scars from meteoroid bombardment. It is because the Moon was formed from the debris that came from the Earth. The Moon today has already cooled down since its formation billion...
In addition to the swelling along the joining line, a diametrically opposite one on the other side of the Earth is formed due to the centrifugal force. The bulges move with the rotation of the moon around the Earth. An observer on the Earth's surface as the bulge approaches will see the...
Phases of the Moon as it orbits Earth, showing the angle formed by the position of the Moon with respect to the Sun at each phase. TheMoongoes through a cycle of eight distinctphasesas it orbitsEarth, each offering a unique view of its illuminated surface. ...
Without the intervention of Saturn, Jupiter would have ended up in the zone where Earth now is. Earth would never have formed, and we would not be here.如果没有土星的介入，木星可能最后会在现在地球所在的区域。那么地球就不会形成，我们也不会在这里了。Our planet was luckier than its future ...
阅读理解. For thousands of years,many people have been wondering what makes the oceans rise and fall on the world’s beaches twice a day.Those tides(潮汐)are formed because the Earth and the Moon are attracted to each other. The Moon tries to pull at anything on the Earth to bring it...
aged regions of the moon."The new dating analyses 'could potentially challenge theories and assumptions and pose new questions'about how our planetary neighborhood formed, " says Clive Neal, an expert in lunar geology at the University of Notre Dame.32. What's the main purpose of Paragraph 1...