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r/cosmology

95,442 subscribers
**/r/cosmology** - a community for questions, discussions, and articles about cosmology.

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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Review of a Result Question
New Top (24hr) Top (Week) Top (Month)
to r/cosmology by ThaarJuarez
2 months ago
Is learning math to understand cosmology like learning a foreign language to read a book?
to r/cosmology by Ars__Techne
7 months ago
Does light frequency change based on the receiver’s relative velocity from the source?
to r/cosmology by Omuck3
9 months ago
Question about Big Bang - infinitely small, dense, and stable?
to r/cosmology by Gantzen
5 days ago
Question on Bell's Theorem
to r/cosmology by just_shaun
9 months ago
Hunt for Dark Matter
to r/cosmology by Agitated-Acctant
1 year ago
Books for those already familiar with cosmology?
to r/cosmology by FatherOfNyx
9 months ago
Any odd ball distant galaxies spotted?
to r/cosmology by logicalcliff
2 weeks ago
Starting TODAY, the entire American Astronomical Society journals portfolio is freely accessible — anyone can read, download, and share anything in the portfolio & there are no subscription fees or paywalls.
to r/cosmology by FatherOfNyx
9 months ago
Infinite things..
to r/cosmology by Gantzen
5 days ago
A question of gravity based time dilation
to r/cosmology by Gantzen
5 days ago
History question regarding quantum field theory.
to r/cosmology by logicalcliff
2 weeks ago
How small can we pack the universe
to r/cosmology by just_shaun
9 months ago
Big Bang Nucleosynthesis in 2021
Review of a Result
to r/cosmology by Kaledon6
1 year ago
Speculating on an individual photon having enough energy to create another big-bang relative to dimensions smaller than the "planck" scale
to r/cosmology by just_shaun
9 months ago
Weighing neutrinos with galaxies
to r/cosmology by just_shaun
9 months ago
Cosmology from Home conference participants AMA livestream
to r/cosmology by Seremach
4 months ago
Dark Energy vs Gravity (not a student)
to r/cosmology by Gantzen
5 days ago
Why so much hated towards string theory?
to r/cosmology by Gantzen
5 days ago
Higher Dimensions
to r/cosmology by Gantzen
5 days ago
Dark Mater / Modified Gravity Question
Question
to r/cosmology by just_shaun
9 months ago
A tantalising hint of parity violation in the cosmic microwave background (technical video)
to r/cosmology by Kaledon6
1 year ago
Black hole evaporation and disappearance
to r/cosmology by Kaledon6
1 year ago
How to create a stable macroscopic black hole in the solar system?
to r/cosmology by Kaledon6
1 year ago
Can gravitons prove gravity is energy instead of force?
to r/cosmology by just_shaun
9 months ago
(technical) Video with Simon Birrer, lead author on the new H0 measurement from TDCOSMO