Water Deposition And Possible Water Cycles On Comet 67P/Churyumov-Gerasimenko
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About The Author

Ying Liao is a postdoctoral researcher at the University of Bern in the Space Research & Planetary Sciences Division She is the president of the Taiwan Association for Space and Science Education (TASSE). Her research focuses on comet composition and tail patterns.

                       

Water Deposition And Possible Water Cycles On Comet 67P/Churyumov-Gerasimenko

Whether called "dirty snowballs" or "icy dirtballs," comets are rich in water ice. However, until today, little is known about the nature of cometary water ice, such as its origin, formation, and evolution process. For example, sufficient water gas can be found in the coma, yet all observed comet nuclei appear dark and have low reflectivity. Only a limited amount of water ice has been detected on some cometary surfaces. Why is that? Why are we able to detect water...

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