big bang theory The idea that the universe began with an explosion 13–20 billion years ago. According to the theory, formulated in 1927, the universe is still expanding. It is now obsolete to some extent.Comparesteady state theory.
1The universe began with the Big Bang 13.7 billion years ago, with everything___ in space smaller than a grain of sand. A. started B. starting C. to start D. to be started 2The universe began with the Big Bang 13.7 billion years ago, with everything___ in space smaller than a...
This gave rise to the idea that the universe is expanding, and that it must have originated in a massive "Big Bang' - now generally agreed to have taken place 13.7 billion years ago. In the beginning, the universe was very small, very dense and very hot, and made up of the simplest...
Based on apaperin theAstrophysical Journal, Space.com reports that, "The reigning hypothesis ofgalaxy formationholds that such well-established spirals would have formed about 13 billion years ago, shortly after the big bang. But the new discovery of a group of 15 spirals that look to be much...
Here we report a candidate core in the process of formation 11 billion years ago, at redshift z = 2.3. This galaxy, GOODS-N-774, has a stellar mass of 100 billion solar masses, a half-light radius of 1.0 kiloparsecs and a star formation rate of 90_(-20)~(+45) solar masses per...
The universe began with the Big Bang 13.7 billion years ago, with everything___ in space smaller than a grain of sand A. started B. starting C. to start D. to be started 试题答案 在线课程 B 考查非谓语动词。本题考查with + 宾语 + 宾语补足语,宾语与补足语之间为主动关系,故选B。
The Big Bang theory suggests that the Universe is approximately 14 billion years old.(a)Describe the evolution of the Universe from the Big Bang until the present day. 相关知识点: 试题来源: 解析 Universe began as hot / dense point;Universe has expanded since the Big Bang;Universe has cooled...
For several billion years after the"Big Bang",the earth was still just a cloud of dust.What it was to become was(66) until between 4.5and 3.8billion years ago when the dust settled into a solid (67) .The earth became so (68) that it was not clear whether the shape would last...
However, in the time since the light, and its fluctuations, was emitted from the 12 billion-year-old quasars, the universe has expanded greatly. This means that we are seeing the quasars as they existed over 12 billion years ago.
The universe began with the Big Bang 13.7 billion years ago, with everything___ in space smaller than a grain of sand. A.started B.starting C.to start D.to be started 请仔细审题,看清楚题目要求,认真作答!正确答案 验证码: 查看正确答案试题...