Homework Statement
So i need to calculate the distance of some star the luminosity is 2 Lo and on earth its seen as .1 Lo
Homework Equations
I=L/4piR2
F=L/4piR2
The Attempt at a Solution
I found two formulas, but not sure what to use. The F is flux density, and I am not sure how I...
i know its expanding lol just think of this as different universe thats static. We have a project and one part of it is to create like a homework problem. it has to be on dark energy, so i figured my problem would be using that formula and showing the universe is static, like what Einstein thought
Homework Statement
how can i show the universe is static and not expanding, how it really is.
Homework Equations
\OmegaM=...
\Omega\Lambda=...
The Attempt at a Solution
"The expansion history of the universe depends on the amount of matter (gravity), quantified
by \OmegaM...