In astrophysics and cosmology, dark matter is hypothetical
matter of unknown composition that does not emit or reflect
enough electromagnetic radiation to be observed directly, but
whose presence can be inferred from gravitational effects on
visible matter. According to present observations of structures
larger than galaxy-sized as well as Big Bang cosmology, dark
matter accounts for the vast majority of mass in the observable
universe. The composition of dark matter is unknown, but may
include ordinary and heavy neutrinos, recently postulated
elementary particles such as WIMPs and axions, astronomical
bodies such as dwarf stars and planets, and clouds of
nonluminous gas. It has been noted that the name "dark matter"
serves mainly as an expression of our ignorance, much as the
marking of early maps with "terra incognita". Dark Matter are
Kasper T. Toeplitz and Antoine Chessex They have realised a
monolithic piece of cosmic dark energy, concentrating
gravitational lensing phenomenas, in solid waves, through th