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re: Alright, space cadets what do you think about this: alien life discovered by NASA?

Posted on 6/28/17 at 5:07 am to
Posted by hogNsinceReagan
Fayetteville, Ar
Member since Feb 2015
5879 posts
Posted on 6/28/17 at 5:07 am to
If it rained on a planet that was similar to earth but that had lower gravity the rain would drop down like a feather but everytime the wind blew the rain would hit you in the face.
Posted by Kentucker
Cincinnati, KY
Member since Apr 2013
19351 posts
Posted on 6/28/17 at 9:13 am to
That's the case on Saturn's moon, Titan. Except that the raindrops are liquid methane and ethane. They're much bigger than our water raindrops and float down at the speed of snowflakes on earth.
Posted by GameCocky88
Mount Pleasant, SC
Member since Dec 2015
4837 posts
Posted on 6/28/17 at 9:22 am to
quote:

Titan. Except that the raindrops are liquid methane and ethane.


Would you say that the concentration of methane is effected by the orbit of Titan, namely as it approaches its closest proximity to Uranus?
Posted by Kentucker
Cincinnati, KY
Member since Apr 2013
19351 posts
Posted on 6/28/17 at 9:38 am to
Let's leave Myanus out of this conversation, mmmkay?
Posted by Commander Data
Baton Rouge, La
Member since Dec 2016
7289 posts
Posted on 6/28/17 at 2:08 pm to
I guess oxygen would be bad news on Titan.
Posted by Kentucker
Cincinnati, KY
Member since Apr 2013
19351 posts
Posted on 6/28/17 at 4:01 pm to
There's a lot of hydrogen in Titan's atmosphere so any oxygen that might be introduced could lead to an explosive situation. Oddly, only water would be the result.

The interesting thing about hydrogen in Titan's atmosphere is that its concentration is much greater in the upper and middle levels than at the surface. Some scientists think a life form that uses hydrogen the way we use oxygen could be responsible for the discrepancy.

I don't think so. Hydrogen is a very light atom and it makes sense to me that it would float above heavier molecules like methane.
Posted by Commander Data
Baton Rouge, La
Member since Dec 2016
7289 posts
Posted on 6/28/17 at 4:29 pm to
quote:

Some scientists think a life form that uses hydrogen the way we use oxygen could be responsible for the discrepancy.


I have read a little about that. I personally would rather look at Enceledus and the like before spending a lot of resources on Titan. We know that life can and does flourish in water.
Posted by Kentucker
Cincinnati, KY
Member since Apr 2013
19351 posts
Posted on 6/28/17 at 6:26 pm to
Yeah, Titan is interesting but I, too, think we should spend our money where there's water. My vote is for Europa above all others. When you look at a pic of that moon you see hydrocarbons in the cracks of ice. Hell, the staining may be microbiota that's been pushed to the surface. Life is dirty.



This isn't true for Enceladus. The markings on that moon indicate pristine water is being ejected to the surface. In my opinion there's nothing dirty going on in the ocean of that tiny body which is about the size of Texas.



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