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

Science

How many grains of sand are there in the universe?


Scientists estimate that Earth contains 7.5 sextillion sand grains. That is 75 followed by 17 zeros. As you can imagine, the number in the entire universe would be much, much larger.

{{ relativeTimeResolver(1653256517799) }}

LIVE
points 6
Rating

Similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE