托福备考托福阅读34套TPO样题+解析+译文16--3 Planets in Our Solar System 托福考试 复习
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in which magpies formed a bridge across the Milky Way with their wings to help a separated couple reunite. In reality, Queqiao-2 is expected to serve as a vital communication link between Earth-based controllers and the Chang'e-6 probe, which will be launched in the first half of this ye...
The orderly nature of our solar system leads most astronomers to conclude that the planets formed at essentially the same time and from the same material as the Sun. It is hypothesized that the primordial cloud of dust and gas from which all the planets are thought to have condensed had a ...
planets today are nearly void of light gases and ices. The explanation may be that the terrestrial planets were once much larger and richer in these materials but eventually lost them because of these bodies’ relative closeness to the Sun, which meant that their temperatures were relatively high...
Even though there are only 8 official planets in the solar system, it can be tricky to remember them all in order from the Sun. A popular technique to use a mnemonic, which can be any sentence you want using the first letter of each planet. The letters for each word in the sentence...
Is “Overwhelming majority” and “Context” the real acid with which we can test? No, simply no … Let me give you an example to clarify. Suppose, I am a teacher of a class which has a strength of 25. One day I come to the class and addressing my students I say “John is a...
The orderly nature of our solar system leads most astronomers to conclude that the planets formed at essentially the same time and from the same material as the Sun. It is hypothesized that the primordial cloud of dust and gas from which all the planets are thought to have condensed had a ...
One of the main questions in the field of extra-solar planets is how common are planetary systems similar to our own1,2; very different answers have been proposed so far3,4none of which are entirely satisfying. Our Solar System, beyond the so-called ice line (at about 3 au5,6,7)...
This suggests that formation of refractory inclusions was punctuated and recurrent, possibly associated with episodic outbursts from the accreting proto-Sun lasting as short as <8000 yr. Our results support a model in which refractory inclusions formed close to the hot proto-Sun and were ...