Sentence:  The early results from Gravity Probe B, one of Nasa's most complicated satellites, confirmed yesterday 'to a precision of better than 1 per cent' the assertion Einstein made 90 years ago - that an object such as the Earth does indeed distort the fabric of <WSD>space</WSD> and time. 
Meaning of the word marked with <WSD> tags:  Physical extent in all directions, seen as an attribute of the universe (now usually considered as a part of space-time), or a mathematical model of this. (from 17thc.)