Posted on 01/22/2016 12:32:08 PM PST by Trumpinator
Study: Maybe we canât find aliens because theyâve all died already
By Rachel Feltman January 22 at 12:27 PM
he hunt for extraterrestrial life is one of humanity's most exciting endeavors. The pieces are all falling into place: We're finding more and more planets outside of our own solar system, and soon the James Webb Telescope will give us unprecedented looks at these distant worlds. We've populated Mars with robots looking for signs of ancient habitability. Orbiters dive through the icy geysers of ocean-covered moons in hopes of catching some life-giving minerals. Our radio telescopes are tuned in to mysterious stars, listening for the sounds of a hustling and bustling civilization.
In spite all of that, we've yet to find a single measly microbe off-world. So where is everybody?
In a new study published in Astrobiology, researchers from the Australian National University offer up one possible explanation: Maybe all of the other life in our neighborhood has already come and gone.
(Excerpt) Read more at washingtonpost.com ...
The study authors believe that Earth’s early microbial life helped to stabilize the planet’s climate, while any life that might have existed on the nearby, similarly rocky planets Venus and Mars failed to do so.
Or maybe we are the first.
Like a Garden of Eden of the universe
Maybe we are the first in the galaxy.
I think Rare Earth is the most logical hypothesis at the current time.
This thread had nothing to do with Putin, did it.
Once again - knock it off or I’ll do it for you.
Permanently.
For there to have been an atmosphere on Mars - guessing - means that it must have had a magnetic sphere once. The iron core stopped rotating in the center of Mars as the planet’s magma solidified?
Good question.
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.