Space and Time

Time is the rate of change of an event. Space is the extent of the change, and is equal to the quantity of substance which it encompasses.

A space-time event refers to the combined rate and extent of the incremental changes which constitute the event.

A planet, star, or galaxy moves through space at a specific velocity and for a specified duration and distance, depending on the mass and density of the body, the medium of travel, and the forces which influence it.

In general, space-time is a continuum in which there is no spatial volume or time duration that is separate from substance or activity. Space-time continuum is a more or less coherent interaction of events occurring at various orders of magnitude and scale, and at different velocities and durations.

All objects and events are constituents of three-dimensional space, and evolve at time durations and velocities which correspond to their changing states.

Space-time events are influenced by other events in varying degrees. And the more an event is influenced by another event, the less the degree of difference in space and time between the events.

Space-time relations are the absolute or observed durations which occur between the beginnings and endings of events, or which separate events, in space and time.

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Space is everywhere. Time is now.

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