why does predicting things in space (outside the planet) seem to be a lot easier than predicting weather on Earth?
In: Physics
How predicable something is depends on the number of factors, not the size of the system. In regards to the solar system, there are few bodies large enough to affect the whole and they all follow simple, easy to predict rules (Newtons laws of motion, taught to middle schoolers). To predict the weather perfectly, you’d have to know the location and energy of every single air molecule in the atmosphere, which follows much more complicated fluid dynamic rules (something people put on the level of relativity and quantum mechanics in terms of years of study needed to understand it)
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