How many stars are there in the universe?

 
How many stars are there in the universe?
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In asking the question "How many stars are there in the universe?" it is important to distinguish between the universe as a whole and the observable universe.

Because the universe was born 13.8 billion years ago, we can only observe objects up to a certain distance from Earth — light from more distant objects hasn’t had time to reach us yet.

To answer “how many stars are there,” we must limit the discussion to what we can observe.

Astronomers estimate that the observable universe has more than 100 billion galaxies.

Our own Milky Way is home to around 300 billion stars, but it’s not representative of galaxies in general.

The Milky Way is a titan compared to abundant but faint dwarf galaxies, and it in turn is dwarfed by rare giant elliptical galaxies, which can be 20 times more massive.

By measuring the number and luminosity of observable galaxies, astronomers put current estimates of the total stellar population at roughly 70 billion trillion (7 x 1022).

Do you belive there could be intelligent life on any of the planets orbiting the 70 billion trillion stars (suns)?

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