spacecraft flies around saturn, which perfectly took pictures of incilate with good detail, but james werb in all their glory, that is , over a long distance and evaluate their power, in general it became clear that some of saturn's rings are formed here this water that erupts from enceladus. we move further, outside the solar system, distances are measured in light years, stars begin in the tens, then thousands of light years, and we are already on the scale of the galaxy, where is one looking? and here he has two main objects of research, these are the areas where new stars of the planet are formed, that is, these are some kind of clouds of gas and dust that gradually condense in them, young stars appear, very interesting questions, how the interstellar medium interacts, with which something - drums waves from supernova explosions, are these shock waves capable of giving birth to new stars, due to the fact that they densify this interstellar medium, this is one of the views that the solar system could have been triggered by the explosion of some not too distant supernova , yes, it is bel