The size of our observable universe must have grown over time in the early universe. Conversely with the accelerated expansion, I have heard that eventually our observable universe will shrink down to our local group of gravitationally bound galaxies. So then the observable universe must go through a maximum at some point in time. When is that and what is that maximum size?
Subscribe to:
Post Comments (Atom)
-
A rook stands in the lower left corner of an $m\times n$ chessboard. Alice and Bob alternately move the rook (horizontally or vertically, th...
-
I am researching Mercury's orbital precession. I have considered most perturbations and general relativity. I am still not satisfied. I ...
-
I am having trouble understanding how centripetal force works intuitively. This is my claim. When I have a mass strapped on a string and spi...
-
(The puzzle statement now identifies these numbers as equivalent.) O O ...
-
In this question/answer Does someone falling into a black hole see the end of the universe? , it is stated that an observer free falling tow...
-
Yesterday, I understood what it means to say that the moon is constantly falling (from a lecture by Richard Feynman ). In the picture below ...
-
This is proof that $L'$ represents same equation of motion with $L$ through Lagrange eq. I understand $L'$ satisfies Lagrange eq, bu...
No comments:
Post a Comment