smaller than Earth.Earth is a planet that has layers.The core is the centreof Earth.The core is very hot.It has two parts.The outercore is liquid metal.The inner core is solid metal.sphere[sfio]n.球形ayer['leo]n.层core[ko:n.核心outer[auta]adj.外部的liquid['lIkwId]adj.液态的metal...
英语翻译The Earth is ___biggest of the four planets.It is bigger ___the first,second and fourth planets.The first planet is ___smallest.Is is much ___ than the Earth.这是第3段也是最后一段,感激不尽! 答案 thethanthesmaller地球是这四颗行星里头最大的.它比第一、二、四个行星还要大....
63. Why is there a need for a telescope able to see objects much smaller than those we can see now? A. To observe the planets that are much larger than Jupiter and much closer to the sun. B. To see Earth-sized planets orbiting their stars at distances like Earth's from the sun. ...
"WepreviouslythoughtthatplanetsthatwereabitlargerthanEarthwerebigballsofmetalandrock,"saidBjornBenneke,thestudy'sco-author."However,wehavenowshownthatthesetwoplanets,Kepler-138candd,arequitedifferentinnatureandthatabigpartoftheirentirevolumeislikelymadeupofwater."Thehightemperaturesontheseplanetsmeantheymightbe...
The Earth is the biggest of the four planets.It is bigger than the first,second and fourth planets.The first planet is the smallestIt is much smaller than the Earth. 相关知识点: 试题来源: 解析 第四个行星 有些行星靠近太阳.太阳不是一个行星.它是一颗星星,它是非常热的.它也是很大的.它比...
Only one other planet in the solar system seems to be something like the earth . That planet is Mars . Mars is smaller than the earth , and it is quite a bit cooler . But it is not too cold for humans . On some days , the temperatures are as cold as a winter day in the north...
be made of4.more than5. act like句型6. Here is what youneed to know aboutthem.7. Most of the Earth iscovered with water.8. It is the firt planetdiscovered by using atelescope. 相关知识点: 试题来源: 解析 1.B由最后一段可知,在2006年之前冥王星也被认为是太阳系中的一颗行星。故选B。2...
It is smaller than Earth's moon; its orbit is highly elliptical, falling inside Neptune's orbit at some points and far beyond it at others; and Pluto's orbit doesn't fall on the same plane as all the other planets — instead, it orbits 17.1 degrees above or below. ...
A celestial body that does not produce its own light, is larger than an asteroid, and is illuminated by light from a star, such as the sun, around which it revolves. In our solar system there are eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto...
Mars is the only planet in the solar system that seems to be anything like the earth. It is 68.(small) than the earth and it is quite a bit cooler. But it is not too cold for humans. The most unexpected sight on Mars is dried-up river beds. However,it is believed 69.Mars was...