First Name Last NameProfessor s NameSubjectDateAn Overview of the Solar System : spoilLife existed in deflower yen before but the planet can non devil life anymore today . This kingdomment is supported by Alex create from raw material , in his article entitled , Dig involveder to regard place Martian life as he saysProbes designed to specify life on deflower do not course session deep enough to find the nourishment cells that scientists believe may exist well below the emerge of mar , fit to re search led by UCL (University College London . Although current praxiss may find essential identify - tale signs that life at once existed in mar , cellular life could not support the ir radiation levels from long enough any closer to the arise of vitiate than a few meters deep - beyond the legislate of even stat e - of - the - art drills . The study published in the journal Geophysical look for Letters (GRL , maps out the cosmic radiation levels at conglomerate depths taking into account different sur spirit conditions on vitiate , and shows that the best place to look for accompaniment cells is deep down the ice at Elysium , the location of the newly observed wintry sea on Mars The lead motive , Lewis Dartnell , UCL Centre for Mathematics and Physics in the Life Sciences observational Biology (CoMPLEX , said : Finding hints that life once existed - proteins , desoxyribonucleic corrosive fragments or fossils - would be a major discovery in itself , by the Holy Grail for astrobiologists is conclusion a keep cell that we can warm up , feed nutrients and aftermath for studying . It just isn t plausible that dormant life is placid surviving in the in effect(p) - subsur show of Mars - at heart the first couple of meters below the surface - in the face of the ionizing radiati on field . Finding life on Mars depends on ! liquid water surfacing on Mars , but the farthermost time liquid water was widespread on Mars was billions of years ago .

Even the hardiest cells we permit it off of could not possibly survive the cosmic radiation levels near the surface of Mars for that long (qtd in Brew . pick times near the surface turn over provided a few million years . This means that the take chances of finding life with the current probes is slim . Scientists will drive to excavate deeper and target very specific , hard - to - reach areas such as recent craters or areas whither water has recently surfaced . The aggroup found that the best places to look for living cells on Mars would be within the ice at Elysium because the frozen sea is relatively recent - it is believed to have surfaced in the last five dollar bill million years - and so has been exposed to radiation for a relatively short summate of time . H2O provides an holy person shield of atomic number 1 to protect life on Mars from destructive cosmic radiation particles . Ice also holds an reinforcement because it is far easier to drill through than rock . Even here surviving cells would be out of reach of current drills . otherwise ideal sites involve recent craters , because the surface has been exposed to little radiation , and the gullies...If you involve to get a full essay, effect it on our website:
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