[DOC] [TLE] Did Newton Answer Halley's Question - MathPages [PAR] Whereupon Dr Halley asked him for his calculation without any farther delay. ... 
the Latin title Philosophiae Naturalis Principia Mathematica, or simply Principia
, ... to teach the world that which I never expected any man should have known. 
... of Book 1), the Principia shows that a planet moving in a conical orbit under the
... [DOC] [TLE] THE RECEPTION OF NEWTON'S PRINCIPIA Introduction The first ... [PAR] approximation that planets move with uniform motion in a circular orbit, Newton 
then ... Before Kepler all men were blind; Kepler was one-eyed, and Newton had 
two eyes ..... that he is preparing for a second edition of his Principia Mathematica 
. ... I have calculated it, whereupon Dr. Halley asked him for his calculation. [DOC] [TLE] Writing of Principia Mathematica - Wikipedia [PAR] Isaac Newton composed Principia Mathematica during 1685 and 1686, and it 
was published in ... Newton refers to Kepler's third law, that the orbital period is 
proportional to the ... For the influences of the planets one upon another seemed 
not great enough, ... On 20 June 1686 Newton wrote to Halley the following letter:
. [DOC] [TLE] Newton's Philosophiae Naturalis Principia Mathematica (Stanford ... [PAR] Dec 20, 2007 ... Its conclusion that the force retaining the planets in their orbits is one in kind ... 
over observation for purposes of answering specific questions about the world. ... 
in 1686 he changed its title to Philosophiae Naturalis Principia Mathematica, .... 
Newton had real grounds for claiming in a letter to Halley in June... [DOC] [TLE] Newton's Philosophy (Stanford Encyclopedia of Philosophy) [PAR] Oct 13, 2006 ... What kind of cause would lead to planetary orbits of the kind described by Kepler
? In particular, Halley asked Newton the following question: what kind of ... drafts 
of De Motu that eventually became Principia mathematica by 1686. ... all of the 
leading philosophers in England and on the Continent during... [DOC] [TLE] Isaac Newton - Philosopher, Astronomer, Physicist, Scientist ... [PAR] Apr 20, 2016 ... Perhaps sensing the young man's innate intellectual abilities, his uncle, .... Halley 
idly asked him what shape the orbit of a planet would take if its ... Newton knew 
the answer, due to his concentrated work for the past six years, and ... work, 
Newton published Philosophiae Naturalis Principia Mathematica... [DOC] [TLE] and the Birth of Celestial Mechanics [PAR] thought the Curve would be that would be described by the Planets suppos- ing 
the force ... The Doctor struck with joy and amazement asked him how he knew it. 
Why saith ... one-body problem, which occupies the leading sections of the 
Principia. ... We begin with Newton's generalized answer to Halley-that every 
orbit pro-. [DOC] [TLE] Isaac Newton : Life, Labours and Legacy - Gresham College [PAR] Oct 21, 2014 ... Newton also determined the orbits of two bodies moving under gravity. ... governs 
the motion of the planets, as Newton did in his Principia Mathematica, ... The man 
who is famous for comparing himself to a boy playing with pebbles .... why saith 
he I have calculated it, whereupon Dr Halley asked him for his... [DOC] [TLE] Harry Potter | Reason and Reflection [PAR] Oct 27, 2013 ... Halley then suggested that they contact the young man out at Cambridge ... 
When asked the question concerning the expected orbit of a planet subject to a 
force .... That book was Isaac Newton's Philosophiae Naturalis Principia 
Mathematica, which ... Hooke claimed he had the answer, but he did not. [DOC] [TLE] Random House for High School Teachers | Catalog | The Hunt for ... [PAR] And How Albert Einstein Destroyed a Planet, Discovered Relativity, and 
Deciphered ... London's natural philosophers knew him as a man of formidable 
intelligence, but ... recalled telling his companion, and when Halley asked to see 
his workings, ... titled De motu corporum in gyrumOn the Motion of Bodies in 
an Orbit. [DOC] [TLE] Chapter XII (Normalized Version) [PAR] Kepler had proved that the planets revolve in elliptical orbits; that their radii .... It 
was enough for one man to

Question: Halley asked about the orbit of planets, leading this man to answer with the "Principia Mathematica"
Answer: Newton