For weak gravitational fields and slow speeds relative to the speed of light, the theory's predictions converge on those of Newton's law of universal gravitation. Newton's equations are used to plan journeys in our Solar System.
f ɔ ɹ WORD_BOUNDARY w iː k WORD_BOUNDARY ɡ ɹ æ v ɪ t eɪ ʃ ə n ə l WORD_BOUNDARY f iː l d z WORD_BOUNDARY æ n d WORD_BOUNDARY s l oʊ WORD_BOUNDARY s p iː d z WORD_BOUNDARY ɹ ɛ l ə t ɪ v WORD_BOUNDARY t ə WORD_BOUNDARY ð ə WORD_BOUNDARY s p iː d WORD_BOUNDARY ʌ v WORD_BOUNDARY l aɪ t WORD_BOUNDARY ð ə WORD_BOUNDARY θ iə ɹ i z WORD_BOUNDARY p ɹ ɪ d ɪ k ʃ ə n z WORD_BOUNDARY k ə n v ɜː d̠ʒ WORD_BOUNDARY ɔ n WORD_BOUNDARY ð oʊ z WORD_BOUNDARY ʌ v WORD_BOUNDARY n uː t ə n z WORD_BOUNDARY l ɔ WORD_BOUNDARY ʌ v WORD_BOUNDARY j uː n ɪ v ɜː s ə l WORD_BOUNDARY ɡ ɹ æ v ɪ t eɪ ʃ ə n WORD_BOUNDARY n uː t ə n z WORD_BOUNDARY ɪ k w eɪ ʒ ə n z WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY j uː z d WORD_BOUNDARY t ə WORD_BOUNDARY p l æ n WORD_BOUNDARY d̠ʒ ɜː n i z WORD_BOUNDARY ɪ n WORD_BOUNDARY aʊ ə ɹ WORD_BOUNDARY s oʊ l ə ɹ WORD_BOUNDARY s ɪ s t ə m WORD_BOUNDARY