I asked Chat GPT to do this calculation, so I can't guarantee the correctness:
If a galaxy were the size of the hydrogen atom, the size of the Universe would be 0.1 mm and the pressure of this gas under normal conditions would be close to the atmospheric pressure.
Bartosz Milewski /
npub15c…wczp5
2025-03-28 10:43:28
Author Public Key
npub15c9gsd6d3cw0pyk8a2fkv248snan8vl8t0nhy5qhqvhxj20tch2swwczp5Published at
2025-03-28 10:43:28Event JSON
{
"id": "40771e27cbbd9c57ac2a798491ac1d3d22575d8f09d56527ca64db759862ace8",
"pubkey": "a60a88374d8e1cf092c7ea93662aa784fb33b3e75be7725017032e6929ebc5d5",
"created_at": 1743158608,
"kind": 1,
"tags": [
[
"proxy",
"https://mathstodon.xyz/users/BartoszMilewski/statuses/114239642557540979",
"activitypub"
]
],
"content": "I asked Chat GPT to do this calculation, so I can't guarantee the correctness: \nIf a galaxy were the size of the hydrogen atom, the size of the Universe would be 0.1 mm and the pressure of this gas under normal conditions would be close to the atmospheric pressure.",
"sig": "8adfab2eba6d2c8eac3c9e4cba6d31c656b67509196fb07d986c9fedf10e9e50ac9e08e9e5b89473cf3b5a88bdadbedab5b3d9c23aaa150bea613a213a0db629"
}