Show that if two events are separated in space and time so that a light signal leaving one event cannot reach the other, then there is an observer for whom the two events are simultaneous. Show that the converse is also true: If a light signal can get from one event to the other, then no observer will find them simultaneous.
Show that if two events are separated in space and time so that a light signal leaving one event cannot reach the other, then there is an observer for whom the two events are simultaneous. Show that the converse is also true: If a light signal can get from one event to the other, then no observer will find them simultaneous.
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Transcribed Image Text:Show that if two events are separated in space and time so that a light signal leaving one event cannot
reach the other, then there is an observer for whom the two events are simultaneous. Show that the
converse is also true: If a light signal can get from one event to the other, then no observer will find
them simultaneous.
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