How did moluculair oxygen devoleped on Mercury?

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    Mercury Oxygen
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Discussion Overview

The discussion centers on the development of molecular oxygen on Mercury, exploring how oxygen could exist on a planet without life, particularly in comparison to Earth's oxygen production through photosynthesis. Participants examine the sources and quantities of oxygen in Mercury's atmosphere.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • Some participants propose that oxygen on Mercury is produced by high-speed solar particles knocking it off the rocks, but the amounts are minimal and lost to space quickly.
  • Others argue that ultraviolet light can split gases like carbon dioxide and water vapor to create oxygen, but this process does not allow for accumulation due to reactions with surface minerals.
  • One participant questions the accuracy of Wikipedia's claim that Mercury's atmosphere is 40% molecular oxygen, seeking alternative sources to verify this information.
  • Another participant points out that Wikipedia states Mercury has tiny amounts of oxygen, suggesting a discrepancy in understanding the atmospheric composition.
  • It is noted that Mercury's atmospheric pressure is extremely low, around 10^-14 times that of Earth, indicating that its atmosphere is effectively non-existent.

Areas of Agreement / Disagreement

Participants express disagreement regarding the amount of oxygen in Mercury's atmosphere and its sources. Some assert that the oxygen is present in trace amounts, while others reference conflicting information from Wikipedia, leading to an unresolved discussion about the actual composition and characteristics of Mercury's atmosphere.

Contextual Notes

Limitations include the reliance on potentially inaccurate sources like Wikipedia and the lack of consensus on the actual percentage of oxygen in Mercury's atmosphere, as well as the conditions under which it exists.

2ossy
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Hello,
A question about the devolepment of oxygen on Mercury:

I learned that all the oxygen (O2) at our planet was formed by photosynthesis of bacteria.
So how could oxygen develop on mercury without life??

(Composition of the atmosphere of Mercury: http://en.wikipedia.org/wiki/Mercury_(planet ))
 
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2ossy said:
Hello,
A question about the devolepment of oxygen on Mercury:

I learned that all the oxygen (O2) at our planet was formed by photosynthesis of bacteria.
So how could oxygen develop on mercury without life??

(Composition of the atmosphere of Mercury: http://en.wikipedia.org/wiki/Mercury_(planet ))

The oxygen on Mercury is knocked off the rocks by high speed particles from the Sun. Only tiny amounts are present and are lost to space almost as quickly as they're made. Ultraviolet light can make oxygen by splitting up gases like carbon dioxide and water vapour, but the amount can't accumulate because the oxygen reacts with surface minerals. Only plants can continually replace what is lost to surface reactions - without their production Earth's oxygen would be depleted in a few million years.
 
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qraal said:
The oxygen on Mercury is knocked off the rocks by high speed particles from the Sun. Only tiny amounts are present and are lost to space almost as quickly as they're made.

Ok, but according to http://en.wikipedia.org/wiki/Mercury_(planet ) Mercuries atmosphere exists 40% out of moluculair oxygen.

I know that wikipedia isn't allways right, but do you have a source that tells that Mercury have tiny amounts of oxygen?
 
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2ossy said:
Ok, but according to http://en.wikipedia.org/wiki/Mercury_(planet ) Mercuries atmosphere exists 40% out of moluculair oxygen.

I know that wikipedia isn't allways right, but do you have a source that tells that Mercury have tiny amounts of oxygen?

Read your own source, Wikipedia tells you it has tiny amounts of oxygen.
 
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Jack21222 said:
Read your own source, Wikipedia tells you it has tiny amounts of oxygen.

Wikipedia tells me 2 things about oxygen on Mercury. 1. Its in the atmosphere and 2. 40 % of the atmosphere is moluculair oxygen.
 
3 things. Atmospheric pressure = "trace"
 
Mercury's 'atmosphere' is effectively non-existant, it has a pressure of around 10^-14 times that of Earth. Europa, Jupiter's moon has an 'atmosphere' thicker than that at 10^-12 bar.
 
Ok, thanks for the explanation :)
 

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