Tugging on it. can someone please explain to what imply "it"?
But other people said that "Newton was so badass it must work" okay? Even there. So instead of suggesting that his law was failing, clever people said "maybe his law applies but there's yet another planet out there that we have yet to discover, whose gravity is tugging on it and we did not include that in our calculations". So let's do the math and ask: where must there be a planet of what mass to create the deviation?
it refers to something mentioned earlier in the text that this is taken from. My guess is that it refers to the Sun. If not, then to some other celestial body.
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it refers to something mentioned earlier in the text that this is taken from.
My guess is that it refers to the Sun. If not, then to some other celestial body.
Clive