Dark matter traveling at ultra-relativistic velocities

Dark matter traveling at classical, non-relativistic speeds

(mathematics) A mathematical measure on a probability space that can take on values between 0 and 1, with 0 corresponding to the empty set and 1 to the entire space.

(mathematics) Any of a class of chaotic maps of the square into itself, used in the study of dynamical systems.

A South Asian freshwater fish, commonly held in aquarium, Botia rostrata.

A map indicating the location of buried treasure.

plural of main diagonal

(gambling, Australia, New Zealand) A poker machine (slot machine used for gambling).

(colloquial, Australia) An elderly man. / (colloquial, Australia, UK) In general, any person, whose specific identity can be deduced from context.

(astronomy) a protium-fusing star with minimal mass, which is fully convective, able to process its entire hydrogen supply