UCSB Science Line
Sponge Spicules Nerve Cells Galaxy Abalone Shell Nickel Succinate X-ray Lens Lupine
UCSB Science Line
Home
How it Works
Ask a Question
Search Topics
Webcasts
Our Scientists
Science Links
Contact Information
When will the earth end? Please answer to my question.
Question Date: 2018-10-10
Answer 1:

Earth is about 4.5 billion years old. It is expected to exist for another 5 billion years. After that, the sun will swell up and consume it. Sometimes people talk about the end of the world but mean the end of people. We don't know when that would happen, but the better care we take of the planet and each other, the longer people will be around.



Click Here to return to the search form.

University of California, Santa Barbara Materials Research Laboratory National Science Foundation
This program is co-sponsored by the National Science Foundation and UCSB School-University Partnerships
Copyright © 2017 The Regents of the University of California,
All Rights Reserved.
UCSB Terms of Use