WebJun 29, 2012 · In order to verify the claim that the total energy content of the universe is exactly zero, one would have to account for all the forms of energy in the universe (gravitational potential energy, the relativistic energies of all particles, etc.), add them together, and then verify that the sum really is exactly zero. WebThe trite answer is that both space and time were created at the big bang about 14 billion years ago, so there is nothing beyond the universe. However, much of the universe exists beyond the observable universe, which is maybe about 90 billion light years across. What percentage of the universe can we observe? – Related Questions
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WebNov 3, 2016 · “Voids occupy most of the universe,” says Michael Vogeley, an astrophysicist at Drexel University in Philadelphia. “We find that over 60 percent of the universe is in voids.” Once thought of as uninteresting backwaters, voids are emerging as the new big thing in several realms of astrophysics. WebFirst, the universe has been evolving with time. Stars and galaxies did not always exist. Therefore light from MOST of the galaxies in the universe has not yet had time to reach us. Second, the universe has been expanding with time. Again, light from MOST of the universe has not yet had time to reach us. cytoplasm clipart
The Big Bang: What really happened at our universe
WebJan 5, 2024 · The whole universe thus arises from something that – viewed from another physical perspective – is as close as one can get to nothing at all. But that nothing is still a kind of something. It... WebFeb 21, 2024 · So the very beginning of the universe remains pretty murky. Scientists think they can pick the story up at about 10 to the minus 36 seconds — one trillionth of a trillionth of a trillionth of a... WebIt’s said atoms are largely empty space, comprising protons and neutrons one million-billionth of a metre across with electrons circling in orbits over 100,000 times larger. … bing crosby dvd box set