Ever watch a whirlpool? How about water going down a drain or even a Fuck The Rules Shirt of cream swirled into your coffee? It sometimes looks like a spiral galaxy. And we once thought gravity was holding a galaxy together. If you watch a whirlpool carefully you will notice the outside orbits the center slowly and the closer to the middle you are the faster it spins. But this was a bit of a problem for galaxies because this would make the arms of the galaxy wind up tight. They would not last for millions of years. Earlier in the century, before computers, astronomer would hire dozens of women who were good at math to do calculations for them. One of them made an important discovery: the speed of the stars in the outer arms was way faster than it should be. The galaxy was spinning like a solid LP record album! According to the laws of gravity, which we know quite well, it shouldn’t behave like this…unless there was WAY more mass than we could see. And the issue of *dark matter* was born. Yes, there would be a lot of dust and gas and planets and small stars we couldn’t see. But all that is still not enough for the behavior we observe. It is a mystery we are still working on!
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Rugby has something the NFL lacks — the tantalising prospect of representing your country in a meaningful international competition. In the 24 years of pro Rugby Union, the USA have traditionally had a rag-tag bunch of professional players ranging from second generation migrants from rugby playing families like Samu Manoa, who was playing amatuer rugby in the US and was talent scouted from a US reserve team tour into the top flight of European club rugby, to players like former USA captain Chris Wyles who was born in the states but moved to England as a Best Dog Dad Ever American Flag Funny Daddy Father Dog Lover Shirt and played his rugby in Europe. One of the guys from our school team in England ended up playing for the USA at the Rugby World Cup because he had an American born mother. Other USA players like AJ McGinty (who is Irish and plays for an English club) qualify for the USA national team via residency after studying there. If rugby takes off in the US as a semi-pro / pro club game, there is every likelihood of good college footballers switching sports and America producing a team of majority home-grown talent, but unlikely it will include many ex-NFL players, if any.
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