In the words of Mr. Owl, The world may never know.
The universe has not existed in the same state for an infinite amount of time, that would be the steady state theory, which has been replaced by the big bang theory. The galaxies are moving away from each other because the universe is expanding at an increasing rate. It has been expanding since the big bang happened 13.7 billion years ago.
According to prevailing theories the universe has not existed for an infinite amount of time but is approximately fourteen billion years old.
It can't, at least one of those two suppositions must be false; possibly both.
no.
Yes, it is possible for something to be infinite, such as the universe or certain mathematical concepts like numbers.
{-1, -1, 1 and 4} is one of an infinite number of possible answers.{-1, -1, 1 and 4} is one of an infinite number of possible answers.{-1, -1, 1 and 4} is one of an infinite number of possible answers.{-1, -1, 1 and 4} is one of an infinite number of possible answers.
No, it is not possible to show that the language recognized by an infinite pushdown automaton is decidable.
Around 42 named galaxies, with 13 possible additions. See related question.
An infinite number are possible.
Not possible, summing an infinite series would take infinite time.
no
If you work as a team then you can learn from eachother