How Many Planets Are There In The Universe 2017

There are some 200 to 400 billion stars in our galaxy and some 100 billion galaxies in the visible universe. Some stars have many planets and some have none. You can do the multiplication it s of order 10 23 planets.

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If inflationary theory is correct and it seems to be the universe is incredibly larger than our visible universe so the number would be very much higher.

How many planets are there in the universe 2017. Based on the kepler observations it is now estimated that a. But on average astronomers think there is one planet for every star in our galaxy. There are 8 planets in our solar system. It is one of a large number of stars in the galaxy that we are in the milky way.

More on this below. The sun is of course a star. How many planets are in the solar system. These are in order from the sun.

Have assumed that more rocky earth like planets are out there and that. The new model simulates universes of stars and planets and then observes these simulated universes to determine how many of the planets would have been discovered by kepler in each universe once we know how well we can detect a planet we can then predict how many other planets like it there are ragozzine said. The other rocky planets older. That means there are up to 76 000 000 000 000 000 000 000 stars similar to ours and almost all of them have some form of planets.

The universe s estimated 700 million trillion rocky planets.