conflate
发表于 2025-3-26 23:21:54
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VAN
发表于 2025-3-27 01:30:36
Ming Zhao,Saifeng Ni,Sihai Zhang,Wuyang Zhounother; in other words they act as a team. When a new observation is made, for example, theoreticians scramble to make it fit the theory. If it does not fit, the theory is discarded and a new one is devised. Although this is the way things happen today, it was not always so. In the early part of thi
偶然
发表于 2025-3-27 07:43:48
https://doi.org/10.1007/978-3-642-41874-7n’s general theory of relativity few were willing to argue that it was not. This meant the galaxies were moving away from us, and the farther they were away, the faster they were moving. But not only are they moving away from us, they are also moving away from one another. It is the space between th
联想记忆
发表于 2025-3-27 10:53:26
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Obverse
发表于 2025-3-27 14:23:34
https://doi.org/10.1007/978-3-642-41874-7 infinitesimally small periods of time we will be dealing with. Also, you will likely wonder how scientists manage to describe things in such detail. It does, indeed, give one a strange feeling, talking about things that happened so long ago (18 billion years). As Steven Weinberg recently wrote, “I
Flat-Feet
发表于 2025-3-27 20:45:31
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改进
发表于 2025-3-27 22:43:43
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Endoscope
发表于 2025-3-28 03:06:28
neutrinos, photons, and a few protons and neutrons. But we know that it now contains many complex atoms—heavy elements. Where did they come from? How did they form? Gamow, as we saw earlier, was convinced that they came about as a result of collisions involving neutrons. He believed a step-by-step p
Pantry
发表于 2025-3-28 06:41:45
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过渡时期
发表于 2025-3-28 12:09:42
The Power of Batteries: The Story of BYD,he universe was still generally uniform—an expanding gas of particles, nuclei, atoms, and radiation. Eventually, of course, the gas had to break up. We know this because when we look out into the universe today with telescopes we see that it is no longer uniform. We see the stars of our own system,