A year on 2014 UZ224 (the time it takes the dwarf planet to orbit the sun) is about 1,100 Earth years. One Pluto year, for c is about 248 Earth years. The new object was also confirmed by theMinor Planet Center. [Meet the Solar System's Dwarf Planets] David Gerdes, a professor ...
(Reuters) 鈥 European astronomers have found 32 new planets outside our solar system, adding evidence to the theory that the universe has many places where life could develop.Scientists using the European Southern Observatory telescope didn't find any planets quite the size of Earth or any ...
Scientists yesterday made the dramatic announcement that they had found the first new planet in the solar system in three quarters of a century. The planet " a giant lump of rock and ice, more than nine billion miles from the Sun " is the first to be discovered since Pluto in 1930. ...
句中有明确的时间状语last year(去年),表示过去某个特定时间发生的动作,所以要用一般过去时,discover的过去式是discovered。A选项是原形,用于一般现在时;C选项是现在完成时,表示过去发生的动作对现在造成的影响或结果,这里没有这种语境;D选项是一般将来时,表示将来的动作,均不符合题意。
32.C 细节理解题.根据句子Astronomers now believe there may be thousands of previously unknown objects orbiting the Sun at this distance,这里天文学家相信是有可能而不是一定,所以A选项不正确;根据句子Astronomers have discovered a new PINK planet on the edge of our solar system一个新的发现但是不是第...
This planet is 8 billion kilometers from its parent star. Compared with it, our solar systemseems almost tiny. The distance between Pluto and the sun is “just" 5.9 billion kilometers! Pluto was onceconsidered the farthest planet in our solar system, but actually it is a dwarf planet....
"What makes this result really interesting is that Planet X seems to affect 2015 TG387 the same way as all the other extremely distant Solar System objects. These simulations do not prove that there's another massive planet in our Solar System, but they are further evidence that something big...
【题目】 Astronomers have discovered a new PINK planet on the edge of our solar system .T he small planet---given the name 2012V P 113 by scientists---is 80 times further from the Sun than the Earth .T he newly discovered planet is 280 miles in diameter (直径) and is in a ...
It was a discovery that could change science.We ht the jackpot here," said scientit Guillem Angla-da Escude about the discovery of the planet more or lesslike Earth that is orbiting Proxima Centauri(比邻星),thestar nearest to our solar system.What do we know about this excting new Earth?
Astronomers believe they have spotted three undiscovered moons in our solar system, bringing the rough tally to around 293 natural satellites. The International Astronomical Union's Minor Planet Center made the announcement Friday and said one of the discoveries is orbiting Uranus, and two of the mo...