In this sense, the core of current Sun is like a giant celestial uterus in which the mass-growing embryonic metallic karyosphere—the mass-evolving planetary embryos of next-generation planets are growing in an irreversible process until one day in the distant future they become massively-matured....
The four innermost planets of our solar system (Mercury, Venus, Earth and Mars) are called the “terrestrial” planets. The name comes from the word “telluric” derived from the Latin words “terra” and “tellus”, used to refer to Earth. They are made mostly of silicate rocks and met...
百度试题 题目Compared with the inner planets, the outer planets are ___.相关知识点: 试题来源: 解析 bigger 反馈 收藏
The four inner planets are called terrestrial planets because their surfaces are solid (and, as the name implies, somewhat similar to Earth — although the term can be misleading because each of the four has vastly different environments). They’re made up mostly of heavy metals such as iron ...
When sending probes to the outer planets, scientists must consider the ___ of the spacecraft to resist strong radiation. A. ability B. capacity C. possibility D. probability 相关知识点: 试题来源: 解析 A。解析:本题考查名词辨析。ability能力,这里指航天器抵抗强辐射的能力,A正确。capacity侧重于...
All four (outer planets) probably have cores of metals, silicates, and water. 这四颗外层行星的内核可能都由金属、硅酸盐和水构成。 The designer must have access to stock lists of the materials he employs. 设计师必须备有所使用材料的储备表。 Part adjustment and repair must be performed on regul...
China has four satellite launch bases(卫星发射基地). They are Jiuquan in Gansu, Xichang in Sichuan, Taiyuan in Shanxi and Wenchang in Hainan. Jiuquan Satellite Launch Center which was founded(建立)in 1958 is one of the four famous satellite launch bases in China. The center has created eight...
A. fabulous B. numerous C. prosperous D. humorous 相关知识点: 试题来源: 解析 B 句意:小行星(小行星), 也被称为“小行星”,存在于众多的外太空中。A.太棒了B.数量众多C.繁荣D.幽默故选B反馈 收藏
(Confusingly, little Mercury is the closest world to Earthmost of the time, but we're getting off-track.) Mercury, Venus, Earth and Mars are thesolar system's fourinner planets. Beyond Mars lie the outer planets:Jupiter,Saturn,UranusandNeptune. ...