No, these are not cosmic snot, astrophysicists joke. The gel-like substance found in one of the lunar craters by the Chinese apparatus Yutu-2 last year is finally identified.
A team led by researchers from the Chinese Academy of Sciences published a substance analysis in the journal Earth and Planetary Science Letters. They claim that this green gel is just the result of melting, breccia. It is a stone composed of fragments or minerals cemented together naturally. This is essentially a geological version of a jelly fruit dessert.
Researchers have described this substance as “dark greenish and shiny.” It was formed by impact welding, cementing and gluing lunar regolith and breccia, experts say. It is possible that the meteorite was the cause of the process.