You may already be a member – click here to find out.
Vous êtes peut-être déjà membre – cliquez ici pour le savoir.

Earth-sized alien worlds are out there. Now, astronomers are figuring out how to detect life on them

To do so will require a purpose-built space telescope and a parasol the size of a baseball diamond.

Learn more: http://scim.ag/2imLXDR

(noscript)