Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

How many planets in the known universe?

1 Answer

On average, there is 3 planets per star in the universe. There are about 100 billion stars in our Galaxy, and there are about 100 billion galaxies, so an approximate number is 30000 quintillion planets

{{ relativeTimeResolver(1584290231553) }}

LIVE
Points points 44
Rating

Similar Questions
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE