Do you want to remove all your recent searches?

All recent searches will be deleted

Did NASA Find a Second Earth?

2 years ago10.1K views



An exoplanet expert tells us if Proxima Centauri B could be another Earth.

Report this video

Select an issue

Embed the video

Did NASA Find a Second Earth?
<iframe frameborder="0" width="480" height="270" src="//" allowfullscreen allow="autoplay"></iframe>
Add the video to your site with the embed code above