[Q&A+] Galaxies Sticking Together, Feeling The Expansion, Flawed LCDM | Q&A 366

Why didn't all galaxies stick together at the early stages of the Universe? Can we feel the spacetime expanding? What if simulating the Universe is easier than physically exploring it? And in Q&A+, why is Starship so hyped compared to other new rockets?

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Here's a link to the full unedited livestream: https://youtube.com/live/eEwAbIxFNBs