Is this accurate? I saw this tweet a few years ago and I think about it often.1yr ⋅ No_Status_2791 ⋅ r/cosmology
Updated physics book shelf collection. A mix of my undergrad/grad textbooks, along with some pop science books.2yr ⋅ GaLaXY_N7 ⋅ r/cosmology
Wasn’t able to take a course in GR in undergrad, so this is the perfect opportunity. Has anyone done any self study from these texts?3yr ⋅ GaLaXY_N7 ⋅ r/cosmology
Wouldnt a universe in a shape of a 4D klein bottle explain both universe accelerated expansion and predict cyclic universe with big crunch / big bang, and also having period of flat universe like we see today? My apologies for the basic ms paint visualisation.2yr ⋅ wabi_sabi_9 ⋅ r/cosmology
Serious Question: if we spiral around the sun which is also moving through space. In which direction is the sun going? And in which movement? I assume that if we are moving.. that other galaxies, black holes etc are moving.. are we all moving in sync? How do I understand more?1yr ⋅ DigConsistent8437 ⋅ r/cosmology
Not sure if this is cosmology related but can anyone explain how this is possible? I thought galaxies fall apart when colliding.1yr ⋅ Affectionate_Lead437 ⋅ r/cosmology
Nicolaus Copernicus proposed his theory that the planets revolved around the sun in the 1500s, when most people believed that Earth was the center of the universe.10mo ⋅ insanecuriosity ⋅ r/cosmology
Have dark stars really been discovered in 2023, or are those articles uncertain/speculative or just click-bait articles?10mo ⋅ IDrinkPetroleum123 ⋅ r/cosmology
One of the first images of the cosmic web ever taken overlayed on Hubbles Ultra Deep Field1yr ⋅ instantlightning2 ⋅ r/cosmology
Which of the following end of the world/universe events is easiest to imagine? And most difficult?2yr ⋅ utopia9353 ⋅ r/cosmology
Often referred to as the jellybean universe, this jar depicts the overwhelming amount of dark matter versus ordinary matter in the universe. (more info in comments)3yr ⋅ TheBluntReport ⋅ r/cosmology
“The phone number of the universe” - a mnemonic device to remember the relevant scales in the universe.5yr ⋅ astrocosmo ⋅ r/cosmology
Demonstration of asymptotic structure formation under long-time integration to a=104yr ⋅ pretzlstyle ⋅ r/cosmology
A simulated collision between two galaxies resulting in the formation of a supermassive blackhole (Ohio State University, 2010)4yr ⋅ JesDOTse ⋅ r/cosmology
Creation of matter: I am reading a paper on hoyle matter creation and I find the formula: pi-Ci = 0 as conservation of the 4 moment. Energy of C must be negative. Why? if I have E- E '= 0 then E = E' and therefore if the energy of the particle is positive also the energy of C, or not?2yr ⋅ GallioArsenico ⋅ r/cosmology
Did the universe come from literal nothing, according to this explanation? If time and space didn't exist before the Big Bang, when and where did the Big Bang happen? If there was nothing, what produced the initial expansion of the universe?1yr ⋅ MichioBu ⋅ r/cosmology
What makes the Cold Spot special, if there are much larger cold areas in the CMB? the image attached to this post shows there are cold areas that are much larger than the Cold Spot. You can see that the Cold Spot is small compared to the other cold areas marked in blue.1yr ⋅ MichioBu ⋅ r/cosmology
Looking for reading recommendations like these but more up to date. Thanks in advance.3yr ⋅ dreamsindigital01 ⋅ r/cosmology
The chart is supposed to show different theories for dark matter. Can anyone explain more of the terms and how to understand it?2yr ⋅ eneru20 ⋅ r/cosmology
The Cosmic Microwave Background Radiation overlaid onto the sky to indicate what size that the fluctuations would appear6yr ⋅ eaglessoar ⋅ r/cosmology
Is this image of the Bootes void actually real? I can't seem to find a source for it (Hubble archive references, for example).6yr ⋅ TheGreatDaiamid ⋅ r/cosmology
Besides concrete evidence for black holes and event horizons, what can we take away from these findings?5yr ⋅ dingerz4dayz ⋅ r/cosmology
A plot of objects which were found to be the most distant object by astronomers over time [OC]6yr ⋅ jsalsman ⋅ r/cosmology
We are doing a live stream Q&A tomorrow evening again (Monday 17:00 UTC), join us on YouTube or Periscope, or ask us questions in the comments!4yr ⋅ AskScience_IoA ⋅ r/cosmology
How I visualize inflation solving the horizon problem (explanation inside)6yr ⋅ eaglessoar ⋅ r/cosmology
Do we need better detectors or better mathematicians to create the next great breakthrough?6yr ⋅ Justin_Waters ⋅ r/cosmology
Need some help understanding someone's comment about Cosmic Background Radiation6mo ⋅ Big_JR80 ⋅ r/cosmology
This image made me wonder if jupiter's moons have some tidal efect over the gas layers of the planet, does anyone know anything about that?7yr ⋅ axon3010 ⋅ r/cosmology
I found this one observational cosmology text book. Is it true that the future universe will be dominated dark energy completely with almost zero matter ?6yr ⋅ Pranavwalker ⋅ r/cosmology
Drew up an illustration connecting a plot of FIRAS data measuring the blackbody spectrum of the cosmic microwave background (CMB) to a basic graph of a black hole/singularity. I'm getting it tattooed on my forearm. Feedback?9yr ⋅ AddisonAinsley ⋅ r/cosmology
A drop of dichloromethane on water spiraling out of existence as it evaporates6yr ⋅ eaglessoar ⋅ r/cosmology
A drawing i did in the honor of the late Stephen Hawking. R.I.P. (1942-2018)6yr ⋅ patrickedwrmorrsn ⋅ r/cosmology
My dad left me a note next to the book I lent him. In his defense, he made it about halfway through which is farther than I got the first time I picked it up :)11yr ⋅ MalusLupus ⋅ r/cosmology
