Is our universe the only one?doi:10.1016/S0262-4079(24)01195-3Miriam FrankelNew Scientist
Is there more than one universe? In this visually rich, action-packed talk, Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang?) have led to the theory that our own universe is just one of many i
Dimensions is a comprehensive reference database of dimensioned drawings and models documenting the standard measurements and sizes of the everyday objects and spaces that make up our world. We offer our resources to professional designers, students, and the public alike as a way to enhance our gl...
一、短文语法填空阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。Earth is our only home in the universe. I
The Earth is our only home in the universe (宇宙). If we don't protect it from now on,we will have nowhere (无处) to go when the environment is ruined (毁坏). Look at what we have done to Mother Earth. We let out so much exhaust gas (废气). Our Earth is no longer clean a...
This vast (and mainly unobservable) domain would be the aftermath of “our” Big Bang – and would probably be governed by the same physical laws that prevail in the parts of the universe we can observe. But was our Big Bang the only one?
The Milky Way is only one galaxy among a few hundred million galaxies in our universe (each with hundreds of billions of stars). Galaxies are huge groupings of stars, planets, gas and dust. Our sun is in the Milky Way, which measures about 100,000 light years across. That long thin ...
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根据The Earth is our only home in the universe (宇宙).,可知题干描述正确,故答案为T。 (2)题详解: 句意:我们所有人都不能做些什么来保护我们的地球。根据All of us must do something to protect our Earth.,可知我们所有人都必须做些什么来保护我们的地球,故答案为F。 (3)题详解: 句意:我们...
In the universe(宇宙),as we all know,there is the Sun,the Moon,the Earth and a large number of stars. Through our Geography lessons,we know that the Sun is a star,the Earth is a planet and the Moon is a satellite(卫星). We also know the Earth goes around the Sun and the Moon...