In astronomy, the interstellar medium (ISM) is the matter and radiation that exist in the space between the star systems in a galaxy. This matter includes gas in ionic, atomic, and molecular form, as well as dust and cosmic rays. It fills interstellar space and blends smoothly into the surrounding intergalactic space
Milka's use of this image is NOT acceptable!. The advice I would give her is to next time site the wedsite so she does not plagiarize and get in trouble.
Explanation:
landscape painting, the depiction of natural scenery in art. Landscape paintings may capture mountains, valleys, bodies of water, fields, forests, and coasts and may or may not include man-made structures as well as people
