The Red Planet has spring a outflow .
novel inquiry suggests that water can escape from the Martian environment way quicker than previously thought , potentially reply the question of why Mars – once a lush planetof lake and rain cloud – is now a teetotal and dusty land ofsand sand dune .
cover in the journalScience , a team of Gallic researchers used information from the Trace Gas Orbiter , a collaborative delegation between the European Space Agency ( ESA ) and Russia ’s space way Roscosmos , to discover that large amounts of water supply are being revoke up into the upper standard pressure of Mars . Seasonal change also affect this process , with more water escaping to the upper atmosphere in the warm and tempestuous periods .

As per their models , portions of the Martian upper standard pressure are “ supersaturated ” with 10 to 100 times more H2O vapour than its temperature should theoretically allow .
Once here in the higher and colder altitudes , the water system is blast with extremist - purple ( ultraviolet illumination ) rays from the Sun , which dissociate the water molecules into atomic number 1 and oxygen atoms . These atom , not tie by the comparatively low-spirited gravity of Mars , are then free to get out into space .
" Until now , scientists thought it took much long ( about several ten ) for weewee to get gamey into the atm and divorce into hydrogen corpuscle . In truth , this chemical mechanism take much less time : a few days to a few hebdomad , ” Franck Montmessin , study generator and director of inquiry at the LATMOS laboratory , toldBusiness Insider .
Still , the Martian standard pressure is still relatively ironical , hold around 10,000 clock time less water system vaporisation than that of Earth . Almost all water on Mars today exist as solid ice , althoughthere is evidenceto suggest liquid salty water still flows intermittently on present - daylight Mars . A study in July 2018even hinted there could be a big lake of liquid water deep beneath the Martian aerofoil , perhaps standardized to the lakes bump beneath the ice of Antarctica and Greenland on Earth .
The prospect of prominent quantities of smooth piss is especially entice as it could serve as a potential home ground for microbial life . No proof has been recover of past or present aliveness on Mars , however , there ’s a riches of grounds to suggest that the surface of Mars once held substantial quantities of liquid urine and may have been inhabitable for microorganism . This new research help to excuse , at least in part , how Mars became the much drier planet we hump today .