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英文字典中文字典相关资料:


  • What is the Universe? - NASA Science
    The universe is everything It includes all of space, and all the matter and energy that space contains It even includes time itself and, of course, it includes you
  • Universe - Wikipedia
    The universe comprises all of existence: all forms of matter and energy, and the structures they form, from sub-atomic particles to entire galactic filaments
  • Universe | Definition Facts | Britannica
    It is differentiated from the entirety of the universe, which is the whole cosmic system of matter and energy, including the human race Unlike the observable universe, the universe is possibly infinite and without spatial edges
  • What is the Universe? Humanity’s Grandest Mystery
    The universe is not just where we live—it is what we are To understand the universe is to understand ourselves To gaze into the night sky is to look into a mirror that reflects our deepest origins and our endless future The universe is our home, our mystery, and our inheritance
  • What is the universe made of? | Center for Astrophysics | Harvard . . .
    Matter and energy are the two basic components of the entire Universe An enormous challenge for scientists is that most of the matter in the Universe is invisible and the source of most of the energy is not understood
  • What is the universe? - Live Science
    The universe is literally everything, the sum of all existence It includes all matter, like stars and galaxies The universe also includes all radiation and all other forms of energy No matter
  • What is the Universe? - AMNH
    The universe is all the matter, energy, and space that exist We can observe only a part of it - the observable universe The entire, universe, including the part we cannot see, may be infinite Matter is the physical substance of things--of stars, planets, people, and atoms
  • The Universe: What is it, how it began, and its future
    Discover what the Universe is, how it began, and how it will evolve Learn about the Big Bang, cosmic expansion, distant galaxies, the five eras of the Universe, and theories such as the multiverse and the Big Freeze
  • What Is the Universe? Real Physics Has Some Mind-Bending Answers
    Today most cosmologists think that the universe was created during the big bang about 13 8 billion years ago, and it is expanding at an ever-increasing rate The cosmos is woven into a fabric we
  • ESA - Space for Kids - The Universe
    The Universe is everything we can touch, feel, sense, measure or detect It includes living things, planets, stars, galaxies, dust clouds, light, and even time Before the birth of the Universe, time, space and matter did not exist





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