• atom
• Galaxy (Milky Way)
• Terra (Earth)
• star cluster
• Luna (Moon)
• molecule
• Jupiter
• galaxy supercluster
• super sundae
• Universe (1 Bly)
• comet
• cell
• Sol (Sun)
• telescope
• distance between the Sun and the nearest star (Proxima Centauri)
• distance between the Sun and the Earth
• distance between the Milky Way and the Andromeda galaxies

The Hubble Deep Field is one of the deepest images ever taken of the sky, capturing galaxies four-billion times fainter than can be seen with human eyes. [NASA/HST, HDF Team, R. Williams]