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If the celestial sphere were mapped to the Earth's surface, astronomy would get a LOT easier; you'd just need a magnifying glass.

"Angular Size", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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If the celestial sphere were mapped to the Earth's surface, astronomy would get a LOT easier; you'd just need a magnifying glass.


Page last modified: 10/11/2013.