📕 Node [[cosmology]]
📄 cosmology.md by @karlicoss

Table of Contents

cosmology FAQ

http://cosmo.labrate.ru/cosmology_faq.html

measuring distances in universe

http://cosmo.labrate.ru/distance.htm

Olber’s paradox: split universe in shells, consider shell at dist X each shell at dist 2X has 4x as many stars, and 1/4 bright, so total brightness is infinite

https://en.wikipedia.org/wiki/Olbers’_paradox >

[2020-05-19] (3) Mapping the Multiverse - YouTube [[tostudy]] [[blackhole]]

shit 4:00 actually great demo of normal spacetime & black hole on the penrose diagram

📄 cosmology.md by @agora@botsin.space

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