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Venus ' atmosphere isnotoriously hellish . Its aura is corrosive and hot enough to melt lead . Its billowing clouds are vicious to humans . Sometimes , it rains acerbic . But researchers just come across that , sandwich between stratum of toxic gas , this inhospitable atmospheric state check a sparse layer of molecularoxygen .
Historically , Venushas have far less scientific attending than Earth ’s other neighbor , Mars . late reports that the constitutive compoundphosphine may ( or may not ) existin the Venusian cloud , however , have sparked new interest in hit the books the major planet .
A flase-color view of Venus
The new measurements come courtesy ofNASA ’s Stratospheric Observatory for Infrared Astronomy ( SOFIA ) , a Boeing 747 that the representation retrofitted with a 2.7 - meter ( 8.9 feet)infraredtelescope . A team of German astrophysicists pored through information from SOFIA , focusing on 17 side in Venus ' atmosphere , on both the planet ’s dayside and nightside . They detected molecular atomic number 8 — a gas composed of nonbonded O atoms — in all of them . The resolution were issue Nov. 7 in the journalNature Communications .
But that does n’t intend cosmonaut would be able-bodied to breathe oxygen on Venus just as they would on Earth . Molecular oxygen is distinct from the oxygen that we breathe on our satellite : Whereas breathable oxygen consist of two bonded oxygen atoms , creating the molecule O2 , molecular oxygen is a soup of single , free - float oxygen particle . If we attempt to breathe it , it would react too easily with the tissue in our lungs and would n’t make it to our bloodstream .
Oxygen had been antecedently observed on the nightside of Venus , but this marks the first sentence researchers have detected it in the day - lit regions as well . The researchers mistrust that the molecular atomic number 8 work up up as the sun ’s warmth break down carbon dioxide and carbon monoxide mote . Winds high in the atmosphere then whisk it over to the planet ’s nightside , where the free atomic number 8 corpuscle step by step react with other elements .
A glimpse of a volcano on Venus' parched surface
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The molecular oxygen level also probably has a svelte cooling upshot on the upper layer of Venus ' atmosphere . This modest chilling is n’t enough to cancel the major planet ’s runawaygreenhouse result , but it does hint at Venus ' milder , more pleasant past .
The determination also spotlight how much scientist still have to learn about Earth ’s hostile " twin . " Withtwo upcoming NASA commission , as well as one helmed by theEuropean Space Agency , Venus is about to receive a lot more aid , which may mean more discovery in the near future .
