Each image is
a combination of two or more originals in 35mm negative or slide film,
scanned on Polaroid
Sprintscan 35 or Kodak 3570 Pro, except the images of planets
Jupiter and Earth,
from Hubble telescope and MIR Station, respectively.
Each scan was made
at 15Mb or at 300 dpi, and resized to 72 dpi to fit here.