Looking for advanced aliens? Search for exoplanets with large coal deposits
The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing on any given exoearth. Or so say the authors of a new paper just published in the International Jour...
Image: Phys.org
The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing on any given exoearth. Or so say the authors of a new paper just published in the International Journal of Astrobiology.
Originally published at Phys.org
