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I have had a lot of requests for a boy version of my inverse-square print. I didn't want to use the same formula (even though I really do love inverse-square relationships), so! Going back to my undergrad astronomy classes for this one.

The Hertzprung-Russell diagram charts out the relative ages and phases of stars. People have tried to push for more logical names for the diagram like the luminosity-cuteness diagram, but no. Hertzprung-Russell is just too catchy!

This is an 8x10" signed print of my original illustration.

Nerd art - Hertzprung-Russell diagram , astronomy, stars, science


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  • Handmade item
  • Materials: paper, ink
  • Ships worldwide from United States
  • Feedback: 1318 reviews
  • Favorited by: 81 people