Specialiştii au identificat pentru prima oară mirosul unei comete. Astfel, mirosul cometei 67P/ Ciuriumov-Gherasimenko a fost identificat cu ajutorul sondei Rosetta.
Mirosul cometei este un amestec de ouă clocite, urină de cal, formol şi multe altele.
Sonda europeană Rosetta, care va încerca pe 12 noiembrie să trimită un robot pe suprafaţa cometei 67P/ Ciurimov-Gherasimenko, dispune, printre alte instrumente, şi de un spectometru, numit Rosina, capabil să studieze compoziţia cozii cometei, formată din gaze şi praf emanate de nucleu sub acţiunea radiaţiilor solare, potrivit descopera.ro
„Parfumul cometei 67P/ Ciuriumov-Gherasimenko este foarte puternic, cu un miros de ouă stricate (hidrogen sulfurat), de grajd de cai (amoniac) şi mirosul înţepător şi sufocant al formaldehidei (formol)”, a explicat Kathrin Altwegg, cercetătorul principal care lucrează cu instrumentul Rosina al sondei spaţiale.
„Toate aceste mirosuri se amestecă cu aroma amăruie, de migdale, a cianurii de hidrogen. Adăugaţi un miros de alcool (metanol) acestui mix de arome, alături de cele de oţet ale dioxidului de sulf şi un pic de parfum dulce şi aromatic de sulfură de carbon şi veţi obţine ‘mireasma’ cometei”, a adăugat ea.
Misiunea spaţială Rosetta este prevăzută să acompanieze cometa cel puţin până la trecerea acesteia pe lângă Soare, în august 2015.
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