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xkcd bot@lemmy.worldB to xkcd@lemmy.worldEnglish · 3 months ago

xkcd #3219: Planets and Bright Stars

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xkcd #3219: Planets and Bright Stars

imgs.xkcd.com

xkcd bot@lemmy.worldB to xkcd@lemmy.worldEnglish · 3 months ago
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xkcd #3219: Planets and Bright Stars

Title text:

An old astronomer trick for distinguishing the Sun from other stars is to take multiple photos a few minutes apart and overlay them, making the Sun stand out due to its high proper motion.

Transcript:

Transcript will show once it’s been added to explainxkcd.com

Source: https://xkcd.com/3219/

explainxkcd for #3219

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  • lugal@lemmy.dbzer0.com
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    3 months ago

    Thanks, I always confuse these two

  • Feddinat0r@feddit.org
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    3 months ago

    Thanks, will print it out for reference

    • WhyIHateTheInternet@lemmy.world
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      3 months ago

      Be sure to print in color otherwise they’ll all look the same

      • 18107@aussie.zone
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        3 months ago

        Do not 3d print this one. It may exceed the z-axis limit for your printer.

        • Eager Eagle@lemmy.world
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          3 months ago

          or rescale it and risk creating a singularity

  • Xaphanos@lemmy.world
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    3 months ago

    It’s not wrong.

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