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

Science

How many particles are in the observable universe?

1 Answer
ANSWER

In astrophysics, the Eddington number is the number of protons in the observable universe. Eddington originally calculated it as about 1.57 times 10 to the seventy-ninth power. Current estimates make it approximately 10 to the eighty-seventh power.

{{ relativeTimeResolver(1663713358064) }}
LIVE
Points points 12
Rating
Similar Questions
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Browse more Science questions.
Science • 2 Answers
ANSWER
Science • 3 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Browse more Science questions.
Science • 2 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 2 Answers
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 1 Answer
ANSWER
Science • 3 Answers
ANSWER
Science • 3 Answers
ANSWER
Science • 1 Answer
ANSWER

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Blog Help Center Conditions of Use Privacy Notice

© 2010 - 2022, Amazon.com, inc. or its affiliates. All Rights Reserved.