This new horizons in geometry pdf is about the general framework of distance and direction. For the space beyond Earth’s atmosphere, see Outer space. For the keyboard key, see Space bar. A right-handed three-dimensional Cartesian coordinate system used to indicate positions in space.
Space is the boundless three-dimensional extent in which objects and events have relative position and direction. Physical space is often conceived in three linear dimensions, although modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime. The concept of space is considered to be of fundamental importance to an understanding of the physical universe.