Like other galaxies, the Milky Way has arms that closely approximate logarithmic spirals, the same kind of curvature seen in nautilus shells.
Other items in the green zone include drying leaves, two green-tinted brown nautilus shells, five brilliantly colored green insects, and a white mouse.
Empty nautilus shells may drift a considerable distance and have been reported from Japan, India and Africa.
Maybe because of this property, the spira mirabilis has evolved in nature, seen in some living beings, such as nautilus shells and sunflower heads.
Found in nature, these spirals are seen in animal horns, nautilus shells, whirlpools, and even galaxies and black holes.
There were wild spirals and helices, like blown glass or nautilus shells.
This gelatin silver print from 1927 of two nautilus shells is expected to bring $25,000 to $30,000.
Like noiseless nautilus shells, their light prows sped through the sea; but only slowly they neared the foe.
This structure does not have the gas-filled chambers of nautilus shells, and is not a true cephalopod shell.
The use of nautilus shells in art and literature is covered at nautilus shell.