Oamenii de stiinta de la NASA au anuntat descoperirea unor dovezi clare ca in trecutul recent, la suprafata planetei Marte, a existat apa in stare lichida, oferind noi sperante pentru identificarea in prezent a unor forme de viata pe Planeta Rosie.
Un modul orbital ce graviteaza in jurul lui Marte a reusit sa fotografieze in detaliu un sistem de canale naturale de scurgere a apei, care indica faptul ca in acea zona a planetei a existat apa in stare lichida in ultimii zece ani. Canalele naturale de scurgere observate sunt lungi de cateva sute de metri si “arata exact asa cum te-ai astepta sa vezi niste canale sapate de apa”, a sustinut si Michael Malin, coordonatorul echipei de oameni de stiinta care au examinat fotografiile reali-zate de modulul orbital Mars Global Surveyor in 2004 si 2005.
Comunitatea stiintifica se intreaba de mult timp daca a existat si daca este posibil inca sa mai existe viata pe Marte, iar prezenta apei in stare lichida este considerata indispensabila pentru aparitia oricaror forme de viata.
Dar suprafata Planetei Rosii este mult prea rece pentru ca apa sa poata exista in stare lichida. Conform expertilor insa, apa unor izvoare subterane si-a sapat o cale spre suprafata, transportand apoi aluviuni pe o panta inclinata, unde a sapat aceste canale de scurgere pana a inghetat din cauza temperaturilor foarte scazute.
Oamenii ar putea trai pe Marte
Marte este a patra planeta de la Soare si e botezata dupa numele zeului roman al razboiului. Temperatura de la suprafata planetei variaza intre minima de -140 grade C si maxima de 20 grade C, suportabila pentru oameni. Savantii au precizat ca este vorba de o cantitate de apa suficienta pentru a umple zece bazine de inot, de dimensiuni olimpice.
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