the best forum and archive on the internet for layman-friendly explanations
ELI5: How can we have pictures of our galaxy if we're in it?
ELI5: How can we have pictures of our galaxy if we're in it? * /r/explainlikeimfive
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the best forum and archive on the internet for layman-friendly explanations
the best forum and archive on the internet for layman-friendly explanations