Seven earths
Posted: Thu Feb 23, 2017 8:09 am
http://www.news.com.au/technology/scien ... f1e54ed042
Chance for very advanced civilisation in a solar system where the inhabitants can hop planets if the original planet becomes unliveable.
Yet we see no evidence of such civilisations ...
Or do we? ... http://www.news.com.au/national/norther ... e67d759f94
Chance for very advanced civilisation in a solar system where the inhabitants can hop planets if the original planet becomes unliveable.
Yet we see no evidence of such civilisations ...
Or do we? ... http://www.news.com.au/national/norther ... e67d759f94