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Atomic oxygen in Mars’ atmosphere, as seen by Al-Amal

Oxygen distribution on Mars

The UAE’s Al-Amal Mars orbiter on July 19, 2021 released a new spectroscopic image, showing the global distribution of atomic oxygen in the Martian upper atmosphere.

The Emirates Ultraviolet Spectrometer (EMUS) mapped the distribution of atomic oxygen in the planet’s upper atmosphere, showing a dense patch emerging from the nightside into the new day.

The photo to the right, cropped and reduced to post here, shows this.

Over the next two years, covering one single Martian year, Al-Amal will monitor the distribution of this oxygen to see how it fluctuations from season to season, as well as from day to day. Gather this information will help the theorists untangle the past atmospheric history of Mars.

Conscious Choice cover

Now available in hardback and paperback as well as ebook!

 

From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.

 
Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.  
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.

 

“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of founder of the Mars Society.

 

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3 comments

  • It looks like the UAE is doing good science with their Mars probe.

  • Meta-question: I understand the chemical difference between “atomic oxygen” (O) and “molecular oxygen” (O2), but what’s the practical difference?

    What are the units? How does this differ from Earth? Do we even have atomic oxygen in our atmosphere? Links are great answers.

  • wayne

    markedup2–
    the short answer is–atomic oxygen is more reactive than molecular oxygen, in general, and especially in ‘atmospheres.’ It readily combines with itself and most everything else at a wide range of temperature & pressure.
    (chemistry & physics– has to do with the electron orbits and energy-states)
    On Earth it no longer makes a practical difference, essentially all oxygen is now molecular oxygen.
    (oxygen was once a toxic ‘pollutant’ on Earth)

    3 page PDF (hotlink)
    “Energetic and Chemical Reactivity of Atomic & Molecular Oxygen
    https://three.jsc.nasa.gov/articles/RadChemO2Sidebar.pdf

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