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The universe is isotropic and homogeneous on large scales, meaning it looks the same in all directions and locations when viewed at a sufficiently large scale.

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Why did it get so hot in the baseball stadium after the game? All of the fans left.

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Why did the math textbook visit the guidance counselor? It needed help figuring out its problems.

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How many times can you subtract 10 from 100? Once. The next time you would be subtracting 10 from 90.

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Cosmic Inflation: In the first fraction of a second, the universe underwent a rapid expansion called inflation, which set the stage for its large-scale structure.

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Talk is cheap? Have you ever talked to a lawyer?

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Why did the gym close down? It just didn’t work out!

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Why can’t male ants sink? They’re buoy-ant.

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Formation of Structures: As the universe cooled, subatomic particles formed atoms, which eventually coalesced into stars, galaxies, and larger structures.

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What did the man get when he ran into a palm tree? A facepalm.

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A teddy bear sits down at a restaurant. The waiter asks, “Would you like anything?” The bear responds, “No, I’m stuffed.”

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What type of sandals do frogs wear? Open-toad!

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Fundamental Forces
The universe is governed by four fundamental forces:

Gravity

Electromagnetic force

Strong nuclear force

Weak nuclear force

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How did the dinosaur build her house? With a dino-saw.

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What do you call a dinosaur that asks a lot of deep questions? A philosiraptor.

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How do you mend a jack-o-lantern? With a pumpkin patch.

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The Multiverse Hypothesis
Some scientists propose that our universe could be just one of many in a larger "multiverse," each with its own physical laws and properties. This idea remains speculative and is not yet empirically testable.

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What do cows most like to read? Cattle-logs.

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What do you get when you drop a piano down a mine shaft? A flat minor.

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What do you do with a sick boat? Take it to the doc already.

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What do you call a pile of cats? A meow-tain.

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Human Perspective
Earth, its Sun, and the Milky Way are all part of the universe. Everything we experience, measure, or detect is part of it-there is nothing outside the universe by definition.

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What do horses say when they fall? Help, I’ve fallen and I can’t giddy up.

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Did you hear about the man who got hit by the same bike every morning? It was a vicious cycle.

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Why did the picture go to jail? Because it was framed.

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The universe is the totality of existence-everything that was, is, and will be.

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Why are the Irish so wealthy? Because their capital is always Dublin.

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What’s the best way to burn 1000 calories? Leave the pizza in the oven.

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Why did the poor man stock up on yeast? To make some dough.

Spaceworld is so intriguing