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“We now know that our galaxy is only one of some hundred thousand million that can be seen using modern telescopes, each galaxy itself containing some hundred thousand million stars.”
― A Brief History of Time
― A Brief History of Time
“This means it will take about a thousand million million million million years for the earth to run into the sun, so there’s no immediate cause for worry!”
― A Brief History of Time
― A Brief History of Time
“As we shall see, the concept of time has no meaning before the beginning of the universe. This was first pointed out by St. Augustine. When asked: "What did God do before he created the universe?" Augustine didn't reply: "He was preparing Hell for people who asked such questions.”
― A Brief History of Time
― A Brief History of Time
“…only in the few universes that are like ours would intelligent beings develop and ask the question: “Why is the universe the way we see it?” The answer is then simple: If it had been any different, we would not be here!”
― A Brief History of Time
― A Brief History of Time
“Normally, the energy of the particle is still positive, but the gravitational field inside a black hole is so strong that even a real particle can have negative energy there. It is therefore possible, if a black hole is present, for the virtual particle with negative energy to fall into the black hole and become a real particle or antiparticle.”
― A Brief History of Time
― A Brief History of Time
Posha’s 2025 Year in Books
Take a look at Posha’s Year in Books, including some fun facts about their reading.
269 books
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40 friends
421 books
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38 friends
27 books
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73 friends
10 books
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23 friends
4 books
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15 friends
1 book
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24 friends
0 books
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68 friends
10 books
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30 friends
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