how many planets are there in our universe
Answers
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➪10,000,000,000,000,000,000,000,000 planets
For those of you who like to see gigantic numbers written out in full, around 10,000,000,000,000,000,000,000,000 planets in our observable Universe, and that's only counting planets that are orbiting stars.
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Answer:
INFINITY
Explanation:
BECAUSE THE UNIVERSE IS ALWAYS EXPAND
Astronomers estimate that there is roughly one exoplanet per star in our galaxy. Of course, some stars have many planets – our own Sun has eight. And some stars have none. But if a star lives long enough, forming planets seems to be the rule, rather than the exception.
Astronomers estimate that there is roughly one exoplanet per star in our galaxy. Of course, some stars have many planets – our own Sun has eight. And some stars have none. But if a star lives long enough, forming planets seems to be the rule, rather than the exception.That doesn’t mean astronomers can map all of those billions of stars though. When it comes to exoplanets that have been measured or counted in some way, the numbers are much smaller.
Astronomers estimate that there is roughly one exoplanet per star in our galaxy. Of course, some stars have many planets – our own Sun has eight. And some stars have none. But if a star lives long enough, forming planets seems to be the rule, rather than the exception.That doesn’t mean astronomers can map all of those billions of stars though. When it comes to exoplanets that have been measured or counted in some way, the numbers are much smaller.The running counter of known exoplanets – as of this writing – stands at 4,108 confirmed worlds. But astronomers are surprisingly good at figuring out what they can’t see. They know that their telescopes aren’t powerful or precise enough to see the stealthiest planets – those that are very small, very far from their stars, or around stars very far from Earth. And conversely, there are regions of space where astronomers are pretty confident they’ve found all the planets within a certain range.
Astronomers estimate that there is roughly one exoplanet per star in our galaxy. Of course, some stars have many planets – our own Sun has eight. And some stars have none. But if a star lives long enough, forming planets seems to be the rule, rather than the exception.That doesn’t mean astronomers can map all of those billions of stars though. When it comes to exoplanets that have been measured or counted in some way, the numbers are much smaller.The running counter of known exoplanets – as of this writing – stands at 4,108 confirmed worlds. But astronomers are surprisingly good at figuring out what they can’t see. They know that their telescopes aren’t powerful or precise enough to see the stealthiest planets – those that are very small, very far from their stars, or around stars very far from Earth. And conversely, there are regions of space where astronomers are pretty confident they’ve found all the planets within a certain range.By combining the knowledge of what they can see – the known exoplanets – with the knowledge of what they can’t see – the parts of space currently beyond our ability to investigate – astronomers end up at the approximation of one planet per star.
Astronomers estimate that there are billions of worlds beyond our solar system.
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