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How many star and galaxy in your universe?

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The Universe is a term used to explain the size of everything there is no way to know how big or of what content it is.
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How many galaxies are there in the universe?

It has been suggested that "the total number of stars in the universe is greater than all the grains of sand on all the beaches on Earth." There may be more stars, as there a

How many galaxies in the visible universe?

Visible with the naked eye - about 8 to 9 depending on viewing  conditions. (Not all from the same viewing spot)    With estimation, anywhere between 100 and 300 billi

How many universe are in the galaxy?

The universe is bigger than a galaxy. If we reword the question to read "How many galaxies are in the universe?", the answer would be hundreds of billions.

How do you know how many stars and galaxies in the universe?

We guess. Really. There's no way to actually COUNT the stars in the Milky Way; the small ones are too small and dim to see if they are more than a few dozen light years away

How many stars and galaxies are there in the universe?

The answer has to be estimated; for many reasons no one can ever know the exact numbers, whatever that might mean in this context. Estimates of the number of galaxies in the u