What is the closest solar system to hours?
No one knows yet, but Alpha Centauri is an obvious target. It's the nearest star system to our sun at 4.3 light-years away. That's about 25 trillion miles away from Earth – nearly 300,000 times the distance from the Earth to the sun. It is possible there are planets orbiting Ahpha Centauri.
Join Alexa Answers
Help make Alexa smarter and share your knowledge with the worldLEARN MORE