GMAT Sentence Correction (SC) | Re: It is equally well known that a GPS satellite needs an extremely accur

(A) It is equally well known that a GPS satellite needs an extremely accurate clock to function correctly; it is less well known however, that GPS satellites also need to adjust for the effects of time dilation, because time passes more slowly on the satellite than it does on earth.

1) In this option, the sentence presents a contrast thatfact1 is well known, however fact2 isn't . It isequally well known...it isless swell know
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