Oxygen estimate in Europa's subsurface Ocean

Oxygen estimate in Europa's subsurface Ocean, Spoiler alert: More than in ours

Juramike View Member Profile	Oct 9 2009, 09:52 PM Post #1
Senior Member Group: Moderator Posts: 2785 Joined: 10-November 06 From: Pasadena, CA Member No.: 1345	Now being picked up by the news, but here is the original press release regarding an estimate of oxygen in Europa's subsurface ocean: http://dps.aas.org/press/2009/Greenberg_9_October_2009.pdf So how could this estimate affect the instrument package for the Jupiter-Europa flagship mission? Are there ways to quantify oxygen in fresher ice from orbit? (RADAR determination? Weird dielectric properties? Metal oxidation states? Rust?) -------------------- Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/

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Julius View Member Profile	Oct 12 2009, 10:34 AM Post #2
Member Group: Members Posts: 363 Joined: 13-April 06 From: Malta Member No.: 741	I believe the thin oxygen atmosphere was attibuted to interaction of solar wind with water ice surface ...how sure are we about that?Can the oxygen originate from europas interior?

Posts in this topic

Juramike Oxygen estimate in Europa's subsurface Ocean Oct 9 2009, 09:52 PM

Juramike Thinking about this some more, it would also imply... Oct 9 2009, 10:07 PM

nprev It's an interesting proposition, but I'm a... Oct 10 2009, 05:00 AM

MarsIsImportant Yeah, we definitely need a robotic mission to Euro... Oct 12 2009, 03:13 AM

centsworth_II QUOTE (MarsIsImportant @ Oct 11 2009, 10... Oct 12 2009, 06:15 AM

Hungry4info Please realise that the Jovian environment isn... Oct 12 2009, 03:54 AM

nprev Let's kinda reel this in a bit. Think what Mik... Oct 12 2009, 06:48 AM

Julius I believe the thin oxygen atmosphere was attibuted... Oct 12 2009, 10:34 AM

Juramike The oxygen atmosphere and oxygen in the subsurface... Oct 12 2009, 01:23 PM

Julius Full inline quote removed - ADMIN To me it sounds... Oct 12 2009, 03:26 PM

MarsIsImportant Remote sensing is good...but when you talk about g... Oct 13 2009, 06:40 AM

nprev See here for a good thread on Europa landers/subs/... Oct 13 2009, 07:19 AM

Juramike I keep thinking of a place like Conamara Chaos and... Oct 13 2009, 11:19 AM

Julius For sure it would be sensible if we're sending... Oct 13 2009, 12:50 PM

Juramike I'm guessing a sequence of missions to Europa:... Oct 13 2009, 02:11 PM

john_s QUOTE (Juramike @ Oct 9 2009, 10:52 PM) A... Oct 13 2009, 02:53 PM

nprev Aha! Thanks, John. Interesting. So high-res vi... Oct 13 2009, 03:14 PM

MarsIsImportant There is no need to drill to get the submersible t... Oct 13 2009, 03:14 PM

infocat13 Does not ' LIFE" as we know it faver cert... Oct 15 2009, 01:10 AM

Juramike Hmmmm. Thinking this through from a purely physic... Oct 15 2009, 03:48 AM

centsworth_II What about other gasses in the Europan ocean, perh... Nov 12 2009, 08:08 AM

Hungry4info Could that explain the "chaotic terrain... Nov 12 2009, 09:29 AM

Juramike Article on space.com describing an article soon to... May 27 2010, 06:19 PM

MaDeR Astrobio is reported as having Trojan in Avast. I ... Jul 17 2010, 10:08 AM

Hungry4info I confirm. A javascript in there is picked up by A... Jul 17 2010, 11:21 AM

Greg Hullender Sophos reports it as well, but claims to deal with... Jul 17 2010, 02:13 PM

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