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4 spirals everywhere Our solar system seems to have condensed from the debris of an earlier version some five billion years ago. A Sun formed in the centre and remaining materials were similarly attracted to each other to form small rocky asteroids. Lighter gases were blown out by the solar wind to condense as the four gas giants, Jupiter, Saturn, Neptune and Uranus while in the inner solar system asteroids grew into planets, the final pieces flying into place with more and more energy as the sizes grew many still have molten cores from these collisions. Our solar system takes the form of a stable disk, a design now known to be very rare. The plane of the solar system is tilted at roughly 30o to the plane of the galaxy so our solar system actually corkscrews its way around the arm of the milky way. The picture opposite above, after Windelius Tucker is schematic of the motions of the four inner planets. Another way to picture the Solar System is by thinking of space time as a rubber sheet with the Sun as a heavy ball and planetary marbles placed on it opposite below, after Murchie. This is Einsteins model of the way matter curves spacetime and helps visualise the force of gravity between masses. If we flick a tiny frictionless pea onto our sheet, it could easily be captured by one of the marbles, or be spun around a few times and spat out, or settle into a fast spinning elliptical orbit halfway down any one of the wormholes. Like a planet, the further the pea gets down the funnel, the faster it must circle to stop itself going down the tube. Also, the faster it spins the heavier it gets and the slightly slower its clocks run. 5
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