In a public lecture in Prague today, Martin Rees made the oft-repeated statement that biology is far more complicated than astronomy. A frog is much more complex than a star or a galaxy.
If that's so, I'd like to hire a biologist and see how they get on. :D
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Of course you can prove a negative. In one sense this can be the easiest thing in the world : your theory predicts something which doesn...
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In the last batch of simulations, we dropped a long gas stream into the gravitational potential of a cluster to see if it would get torn... -
And more importantly, how not to build a galaxy. Uniform discs of pure gas turn out to be almost impossible. Exponential discs - where ther...
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