"We were quite surprised," Dones continued. "Spirals are seen in Saturn's rings, disks around young stars and galaxies. The universe seems to like spirals!" ...
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100 years ago, Edwin Hubble proved our Milky Way galaxy isn't aloneShapley determined that the Milky Way was 300,000 light years across ... His subsequent tuning-fork diagram of the shapes of galaxies remains a classic teaching tool for astronomers, and even ...
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