NASA Refines Criteria for Life Signs on Exoplanets


Advanced search

Message boards : SETI@home Science : NASA Refines Criteria for Life Signs on Exoplanets
Message board moderation

To post messages, you must log in.

AuthorMessage
Michael Watson

Send message
Joined: 7 Feb 08
Posts: 1383
Credit: 2,098,506
RAC: 5
Message 1571520 - Posted: 13 Sep 2014, 16:47:22 UTC

NASA scientists have been running a large number of computer simulations of exoplanet atmospheres. They conclude that the detection of any one gas is inadequate to establish that life is present on a planet. Such single gases may be produced by non-living processes. A combination of certain gases, such as oxygen and methane, will be necessary to demonstrate that extraterrestrial life has been discovered. Details are given in the article, linked below:
http://phys.org/news/2014-09-nasa-guideline-future-alien-life.html
ID: 1571520 · Report as offensive
KLiK
Volunteer tester

Send message
Joined: 31 Mar 14
Posts: 1304
Credit: 22,994,597
RAC: 60
Croatia
Message 1597080 - Posted: 5 Nov 2014, 7:05:09 UTC - in response to Message 1571520.  

Read that one...but more importantly, they said that CFC would be great in detecting an alien civilization...'cause CFC don't occur naturally! ;)


non-profit org. Play4Life in Zagreb, Croatia, EU
ID: 1597080 · Report as offensive

Message boards : SETI@home Science : NASA Refines Criteria for Life Signs on Exoplanets


 
©2024 University of California
 
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.