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

Science

When will the sun collide with earth?


In about 5 billion years, the sun will run out of hydrogen to burn and will start burning helium. When that happens, the sun will become a red giant. It will expand past the orbits of Mercury and Venus, and reach the Earth.

{{ relativeTimeResolver(1557172267389) }}

LIVE
Points points 82
Rating 1

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