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Mist ontdekt op Saturnusmaan Titan

Geplaatst op 22-12-2009 om 08u54 door Bert Carrein - 1522 keer gelezen
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Amerikaanse wetenschappers hebben mist ontdekt op Titan, de grootste maan van de ringenplaneet Saturnus. Het gaat niet om wolken van waterdamp, maar ethaan en methaan, waarvan voorheen ook al meren werden aangetoond. De vondst ondersteunt dan ook deze theorie dat Titan naast de aarde de enigste plek is in het zonnestelsel waar grote hoeveelheden vloeistof aan het oppervlak voorkomen.

astronomie sterrenkunde ruimtevaart nieuws

Omdat de mist er door gebrek er door het gebrek aan zonnewarmte en de geringe temperatuurschommelingen niet veroorzaakt kan zijn door een afkoeling van de lucht, moeten de nevels immers wel afkomstig zijn van verdampend methaan uit meren op de Saturnusmaan.

Dit betekent ook dat het er regent. Zo wordt meteen ook aangetoond dat deze opmerkelijk maan een volledige hydrologische cyclus van methaan kent.

Bron: HLN

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Lees ook: De vreemde vlek van saturnusmaan Titan
Lees ook: Weerbericht voor Titan
Lees ook: Meren van methaan en de seizoenscyclus op Titan
Lees ook: Leven op op saturnusmaan Titan niet mogelijk?
Lees ook: Ijsvulkanen op Saturnusmaan Titan?
Lees ook: Saturnusmaan Titan blijft verbazen

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