query: How did the planets (in the Solar System) start to revolve around the sun if they were attracted towards the Sun via the gravitational force?
positive_passages.docid: 12637
positive_passages.text: Why does everything spin?
negative_passages.docid: 11683
negative_passages.text: Why does the atmosphere rotate along with the earth?
negative_passages.docid: 2872
negative_passages.text: Kepler problem in time: how do two gravitationally attracted particles move?
negative_passages.docid: 113117
negative_passages.text: How do many conservative forces come together to make a non-conservative one?
negative_passages.docid: 125794
negative_passages.text: What is the origin of spin of celestial objects?
negative_passages.docid: 46411
negative_passages.text: Why are our planets in the solar system all on the same disc/plane/layer?
negative_passages.docid: 60711
negative_passages.text: What provides the centrifugal force for planets orbiting a star?
negative_passages.docid: 2305
negative_passages.text: Why are orbits elliptical?
negative_passages.docid: 73673
negative_passages.text: What is gravity and what causes objects to act against it?
negative_passages.docid: 95788
negative_passages.text: Tidal force of Sun?
negative_passages.docid: 41112
negative_passages.text: Why do the planets' orbital distances fall on an exponential curve?
negative_passages.docid: 123571
negative_passages.text: A change in the gravitational law
negative_passages.docid: 22106
negative_passages.text: Prove that time for planet to fall into the Sun equals $\left( \frac { 1 }{ 4\sqrt { 2 } } \right)$ of the planet's period
negative_passages.docid: 81530
negative_passages.text: A simple explanation of Kepler's Third Law
negative_passages.docid: 153006
negative_passages.text: How can one get the eccentricity of the orbit of the Sun around center of the Milky Way?
negative_passages.docid: 81969
negative_passages.text: What if the universe is rotating as a whole?
negative_passages.docid: 102572
negative_passages.text: Is the orbit of the planets around the Sun chaotic?