4/12 (life "for sure" ... well, it seems to be life. Such forms cannot be anything else.)
Take a magnifying glass and look carefully those pics of asteroid Vesta.
5/12
6/12
These theories may have matches to reality, and partly may not. Nemiana and Yorgia, and their "collars", lead me far.
(Actually thought: "A leaf makes a round chamber, leaf transfers its materia to the fetus (because looks so very thin, when dies). White, a little plump fetus comes out, swims kilometres or dozens of kilometres, settles on the sea bottom, and the circle starts again from the beginning." I followed dusty tracks, dozens of kilometres - it would not be a long swimming distance for a very big creature, that is made for swimming - and thought that found a white leaf-like thing there, where tracks ended. But I'm not quite sure about that, if that has happened or not. :) I don't mind about that, how cold or how out of water the surface of the asteroid is (now), nor about the huge sizes.Have to add to "the fairytale" that empty round chamber seems to have prints of 2 halfs, on/in the hole's bottom. There have been twins. Life needs multi-copying.)