New posts in Universe

Does physics claim that every possible world has or will exist?

Entropy is...disorder?

How far away must a galaxy be for its light never to reach us due to the expansion of the universe?

Why does a flat universe imply an infinite universe?

Can the Hubble constant be measured locally?

Can space expand with unlimited speed?

What's the avarage temperature of the Universe?

Is the total energy of the universe constant?

Is it possible all matter in the universe emerges from nothing?

Maximum Possible Information in the universe?