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

Science

Have aliens ever been to earth?


More than likely considering the number of star systems that have habitable planets

{{ relativeTimeResolver(1579167483733) }}

LIVE
Points points 56
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE