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

Science

How many unknown planets are there?

If I knew how many unknown planets there were, they wouldn't be unknown.

{{ relativeTimeResolver(1568775106903) }}
LIVE
Points points 60
Rating
Similar Questions
Sign in to view all similar questions
Science • 2 Answers
ANSWER
Science • 1 Answer
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

Help Center Conditions of Use Privacy Notice

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