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(Discovery)   Shock image of the day: Cassini photographs Uranus   (news.discovery.com) divider line 9
    More: Cool, reaction video, Cassini, Uranus, Saturn, icy moons, photos, semimajor axises, African Union  
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3085 clicks; posted to Geek » on 02 May 2014 at 3:22 PM (20 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2014-05-02 03:27:03 PM
Confessing to ignorance here; I thought methane was only produced through biological breakdown. How is it *really* formed?
 
2014-05-02 03:31:03 PM
Unremarkable.
 
ZAZ [TotalFark]
2014-05-02 03:35:40 PM
mainsail

Methane is formed from carbon and hydrogen when the supply of oxygen is low. Carbon and hydrogen are abundant in the universe.
 
2014-05-02 03:44:40 PM
I think I can see the chocolate starfish.
 
2014-05-02 03:55:36 PM

ZAZ: mainsail

Methane is formed from carbon and hydrogen when the supply of oxygen is low. Carbon and hydrogen are abundant in the universe.


Well, yes they are very common...but why do I keep hearing that methane is a fantastic indicator for life on exoplanets? Or am I mixing up my gasses?
 
2014-05-02 04:15:28 PM
And of course it has rings.
 
2014-05-02 04:19:11 PM

mainsail: ZAZ: mainsail

Methane is formed from carbon and hydrogen when the supply of oxygen is low. Carbon and hydrogen are abundant in the universe.

Well, yes they are very common...but why do I keep hearing that methane is a fantastic indicator for life on exoplanets? Or am I mixing up my gasses?


IIRC, methane and ozone simultaneously are a biomarker, because they react with each other and remove the original gases from the atmosphere, in the absence of life that can create new sources.
 
2014-05-02 04:31:15 PM

Ambitwistor: mainsail: ZAZ: mainsail

Methane is formed from carbon and hydrogen when the supply of oxygen is low. Carbon and hydrogen are abundant in the universe.

Well, yes they are very common...but why do I keep hearing that methane is a fantastic indicator for life on exoplanets? Or am I mixing up my gasses?

IIRC, methane and ozone simultaneously are a biomarker, because they react with each other and remove the original gases from the atmosphere, in the absence of life that can create new sources.


Ah. So I'm remembering methane, forgetting ozone. I did get the grade I deserved in chemistry after all....:sigh:
 
2014-05-03 06:23:33 AM

mainsail: Confessing to ignorance here; I thought methane was only produced through biological breakdown. How is it *really* formed?


something something subbys mom.
 
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