Aceste imagini au fost facute cu un microscop special , iar zona in care au fost facute a fost racita pana la temperatura de -170 de grade Celsius. Totul pentru ca cercetatorii din Maryland sa poata fotografia niste fulgi de zapada.
Microscopul folosit este unul special pentru folosirea la temperaturi scazute, scanand electronii. Oamenii de stiinta au vrut sa studieze compozitia lor pentru a putea stabili efectele asupra ecosistemelor de pe Pamant.
Cercetatorii au vrut sa vada daca pot determina nivelul precipitatiilor dintr-un an in functie de compozitia fulgilor de zapada care au cazut in acel sezon.
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