How many planets are there estimated to be in the universe compared with those that are known of?
1 Answer
Aug 14, 2018
This question is impossible to answer.
Explanation:
We are just now getting an idea of how many planets are associated with stars near to us in our galaxy. When you consider there are at least 300 billion galaxies, that makes it anyone's guess. You can be sure the number is at least in the trillions.