You can change the solar mass of the star and with 1, 2 and 3 you can change the background.
All the pictures and sounds are from NASA. The "sounds" of the planets released by NASA are not actual sounds, as there is no sound in space due to the lack of a medium to propagate sound waves. Instead, they are electrical signals recorded by instruments or spacecraft, which are then converted into audible frequencies to represent them as tones or "sounds" for human perception. https://apod.nasa.gov/apod/astropix.html
