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Six days might be the most they could force people to work before giving them a day off? (The French tried 10 day weeks and that was too long between rests for most people) When we became more civilized we let the wage slaves take two days off. It's coincidentally the closest number of days to 1/4 lunar cycle and the length is a capitalist's wet dream (a ...


6

Never. There are a number of technical papers that give more precise meaning to the concept of "clearing the neighborhood". It's not just now, it's can the object in question clear the neighborhood of its path while the Sun is still a star. In the case of Pluto, Ceres, Eris, and a host of other not-quite-planet objects, that will not happen. Ever. Or at ...


2

It's at Jupiter's distance and beyond that ices were able to form out of the disk of material surrounding the early sun. Go much further in and there is too much energy from the sun for them to stay as solids (and will sublimate into gases); this is why asteroids are principally rocks and metals. So at this distance more of the materials of the planetary ...


2

Here's something from Wikipedia (emphasis mine): The giant planets (Jupiter, Saturn, Uranus, and Neptune) formed further out, beyond the frost line, the point between the orbits of Mars and Jupiter where the material is cool enough for volatile icy compounds to remain solid. The ices that formed the Jovian planets were more abundant than the metals and ...



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