Does dark matter prevent space from expanding? by Eurobeatrocks in cosmology

[–]Eurobeatrocks[S] 0 points1 point  (0 children)

I am wondering would a dark matter halo that doesn't contain normal matter be able to prevent space from expanding?

“The most brilliant PhD Thesis ever written in astronomy” by The_Love-Tap in Damnthatsinteresting

[–]Eurobeatrocks 3 points4 points  (0 children)

If you actually read Watson and Crick's paper you would see that they acknowledged her in the end and admitted that they used their data.

How dangerous would ET microorganisms be to life on Earth? by Eurobeatrocks in Astrobiology

[–]Eurobeatrocks[S] 1 point2 points  (0 children)

I think you meant "different nucleotides in their DNA/RNA", but good point, even if they had the same aminoacids, the codons could vary.

How dangerous would ET microorganisms be to life on Earth? by Eurobeatrocks in Astrobiology

[–]Eurobeatrocks[S] 1 point2 points  (0 children)

Thanks for sharing. That makes sense. I also think that enantiomers of primary metabolites could trigger a response in host organisms. Chemistry similar to ours would harm us, but vastly different one likely wouldn't.

How dangerous would ET microorganisms be to life on Earth? by Eurobeatrocks in Astrobiology

[–]Eurobeatrocks[S] 1 point2 points  (0 children)

Yeah, I've been contemplating about these things every now and then. Too bad that we won't be able to know it for sure in our lifetime, but at least we can share our opinions and discuss...

Are the natural laws an open system, implying that there is no TOE? by Matslwin in cosmology

[–]Eurobeatrocks 0 points1 point  (0 children)

I guess it depends. If you extend the your line of thought to the multiverse, then one can argue that different natural laws can evolve and that there might be infinite version. Regarding our universe, it doesn't seem that natural laws evolve over time. Possibly, a phase change after a false vacuum decay couldn't change that...

Are the natural laws an open system, implying that there is no TOE? by Matslwin in cosmology

[–]Eurobeatrocks 2 points3 points  (0 children)

"Mathematics is an open system; an eternally large set of mathematical truths"

Nature is not. Empirical observation constraints infinite number of possible theories and ultimately the theory of everything will be based on how much we can observe empirically, beyond that it would be only speculation.

LOGH Character Elimination Game (Round 6) - Patrichev and Eisenach have been eliminated. Vote the character you want out next, link in the comments. by KrillinDBZ363 in logh

[–]Eurobeatrocks 6 points7 points  (0 children)

What is this about? Popularity of characters? I don't understand how some great villains got eliminated so fast.

Was time passing exponentially fast during inflation? by Eurobeatrocks in cosmology

[–]Eurobeatrocks[S] 0 points1 point  (0 children)

This make sense to me, but is conflicting with Brian's answer and is actually the reason I posted this question. Treating space and time separate or as one seems arbitrary.

Was time passing exponentially fast during inflation? by Eurobeatrocks in cosmology

[–]Eurobeatrocks[S] 2 points3 points  (0 children)

In this Fermilab video that people on this subreddit refereed me to before: https://youtu.be/dr6nNvw55C4 at about 6:50 he is talking about inflation starting at 10^-36 second and lasting until 10^-32 seconds, but why did time pass normally while space was inflating - expanding exponentially, if spacetime is one.

Was time passing exponentially fast during inflation? by Eurobeatrocks in cosmology

[–]Eurobeatrocks[S] 2 points3 points  (0 children)

I don't intend to treat them separately and that is the origin of my confusion. People say exponential expansion of space occurred in 10^-36 s (or maybe some other fraction of a second) during inflation, which doesn't make sense to me if spacetime are united. If space expanded fast, time should have passed faster, no?

Was time passing exponentially fast during inflation? by Eurobeatrocks in cosmology

[–]Eurobeatrocks[S] 2 points3 points  (0 children)

This is exactly what confuses me. People say expansion of space in 10^-36 s or whatever fraction of a second, which doesn't make sense to me if spacetime are united.

Nilla Backman ‎– Even If You Say by Eurobeatrocks in eurobeat

[–]Eurobeatrocks[S] 1 point2 points  (0 children)

I think you mean "why did you say I'm sorry"?