article_snippet.sent: As Rosetta makes an adventurous passes through the geysers of comet in the coming months, scientists hope to discover more information about the comet’s interior from the jets.
article_snippet.sent: From data collected by the two proves, Esa said that water on the comet was different to that on Earth - suggesting water on our world came from an asteroid, not a comet.
article_snippet.sent: These jets are formed when ice on the surface sublimates - or vapourises - and These jets become more active as the comet approaches the sun.
article_snippet.sent: The probe relies on seeing stars to know where The probe is, but These jets can obscure The probe view.
article_snippet.sent: This means that, occasionally, the spacecraft has to take evasive actions when the spacecraft passes through a jet, to get the spacecraft into empty space and re-orientate the spacecraft relative to the stars.
article_snippet.sent: But studying These jets could reveal vital data on how gas and dust flows out from the surface, and The probe could also reveal the connection between the comet’s atmosphere - The probe coma - and the surface.