Questions tagged [cosmology]
The study of the large-scale structure, history, and future of the universe. Cosmology is about asking and answering questions about the "big picture" - the extent, origin, and fate of everything we know.
5 questions from the last 7 days
-8
votes
0
answers
47
views
The Earth is accelerating outward per the equivalence principle , where is it accelerating to? [closed]
I believe that it is accelerating in a direction of a fourth spatial dimension. My explanation, complete arena, core equations, mechanisms, and predictions at 4DKC.net. Would appreciate feedback.
2
votes
0
answers
36
views
Energy spectrum of a gravitational wave from a binary system
I am busy studying Gravitational waves and have come across two definition which I am not entirely certain off how they are derived and what they mathematically represent.
The first is the energy ...
-7
votes
0
answers
98
views
Proof by contradiction that Stellar Black Holes are not initially created by the collapse of a massive star? [closed]
Opposite to general believe there is no conclusive empirical evidence to date that BHs are formed by the collapse of a very large star mass at all! Even the most evidence we have today, the Cow star ...
-6
votes
0
answers
47
views
What observational constraints rule out $r_s = 2R$ as a cosmological postulate? [closed]
A geometric model I've been studying derives cosmological parameters from the postulate that the Schwarzschild radius equals twice the cosmic radius at all scales ($r_s = 2R$). It claims to resolve ...
-10
votes
0
answers
43
views
What observations would decisively falsify a finite‑universe model in which vacuum energy does not gravitate? [closed]
I’m studying a cosmological framework in which no physical ingredients are assumed a priori. Matter, curvature, and cosmic evolution arise from the dynamics of a single underlying field subject to a ...