This is an old high school physics project that I'm re-uploading here.Lyrics (as much as I can tell):What's up yall? This is MC Kepler and MC Johannes.-Word.Spittin' out the mad beats!I was born and raised on the streets of Weil der Stadt,Wurttemberg, where all the Germans trot.Never had money and always a little sickBut I had a sharp mind on time always did the trickRoll with the LutheransPlaces to goStudy up CopernicusRolled up in the doughHey man, you know these things don't last(??) fast in the pastWatch your head as they go pastFlash forwardUp ahead in twenty-five yearsAstronomiae Pars Optica, nothing came nearsome people couldn't see far, some couldn't see nearBut my glasses gave them all nothing to fear.Tycho he be needing to check his observationsMars wasn't fittin' predicted calculationsIt was elliptical, not once focus but one twoThe one be the sun and the other one mean that youWon't see the planets moving in a circle or none of that jiveBut an ellipse, in (?early?) 1605But he described, equal area and equal timesAstronomia nova, published 1609Circle and ellipse, (?same period?) and the same focusComes from variation of the (?effective radii?)When it's long it's slow, but when it's slow it's fastSecond law of planetary motion but it ain't the last'Cause the squares of periodic time are to each otherAs the cubes of the (?means, law of?) proportionality, brother1619, Harmonices Mundi, not an apple but this book Lead Newton to gravity.I'm the true father of celestial mechanicsThe haters can't touch meCan't stand next to this'Cause I'm the best and I won't restReadin' the mind of God is what I do bestIntegral Calculus, the year of the birth of ChristPinhole camera and I coined 'satellite'!Real or inverted it matters notGive it shot, but don't ever stopPut the mirrors all around meMagnify look at seeWell check it out, without a doubt, reflection countLight comes back from the barrierFormulas to be totally sureFight what I write if it don't pleaseThe words within the DioptriceExcite me the most, it won't ever ceaseGive me a piece of the actionIt's all about diffractionTelescopic lenses all the wayAround the hizzyBe sure to look up in the starsWhat as I write in my bookWhat my mind can cook59 years is took.

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