根据第一段"The distances from the Sun to Mars is more than 141 million miles."从太阳到火星的距离超过1.41亿英里。可知,问题句子与文章不符。故填:F。(2)F.句子意思:火星是可以用望远镜从地球上看到的行星之一。根据第二段"and one of the planets that can be seen from the Earth ...
MALE PROFESSOR: Last week we discussed the formation of Earth and the other rocky planets—the planets in the inner solar system.Uh, s-so, what about the gas giants?Jupiter, Saturn, Uranus, and Neptune. Well, there's two theories.But first, let's recap.We believe our solar system began...
I have lived all over the USA. Out west, high and dry and outside a city every season can be great. Here summer humidity can cut into seeing during the summer but... there are times when a weather swing will drop humidity levels. The jet stream can also hit hard depending on where ...
根据第二段"However,it was quite challenging to get a clear image of those objects using ground-based antennas.The reason is that low-energy radiation is absorbed and distorted by water vapor(水蒸气)in the Earth's atmosphere." 然而,使用地面天线获得这些物体的清晰图像是...
Radio signals from Earth take some 22 hours to reach it. The reply takes, of course, another 22. That record is unlikely to be broken; as noted here, there are only two others in the race: Voyager 2 and New Horizons, and due to mission parameters both will likely die well before ...
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In the past, concern about a man-made warming of the earth has concentrated on the Arctic because the Antarctic is much colder and has a much thicker ice sheet. But the weather experts are now paying more attention to West Antarctic, which may be affected by only a few degrees of warming...
MALE PROFESSOR: Last week we discussed the formation of Earth and the other rocky planets—the planets in the inner solar system.Uh, s-so, what about the gas giants?Jupiter, Saturn, Uranus, and Neptune. Well, there's two theories.But first, let's recap.We believe our solar system began...
B. It does not take into account the amount of time needed for gas planets to form. C. It is more applicable to star formation than the core-accretion theory is. D. Solid particles are believed to own a small proportion of the outer accretion disk. 你的答案: 正确答案:D 题目解析: 登...
根据第二段"However,it was quite challenging to get a clear image of those objects using ground-based antennas.The reason is that low-energy radiation is absorbed and distorted by water vapor(水蒸气)in the Earth's atmosphere." 然而,使用地面天线获得这些物体的清晰图像是...