Seven

Seven is an exploration of form that is a part of Gaia project. The form derived from
one of the prototypes that investigates tree pollen shapes. This half sphere has
seven conic compartments, and that carries the related content.

Seven is:
The number of colors in a rainbow according to Isaac Newton.
The number of stellar objects in the solar system visible to naked eye from Earth.
The number of virus types according to Baltimore classification.
The number of spots on a lady-bug.
The number of daughters of Atlas in the Pleiades, the "Seven Sisters”
The number of wonders of the ancient world.
The number of vertebrae almost all mammals have.