Bortle scale illustration: Offers a clear visual representation of sky darkness levels for educational and aesthetic value
Astronomy-themed design: Appeals to enthusiasts and stargazers seeking a unique, relevant look
Comfortable t-shirt material: Ensures everyday wearability for fans of astronomy
Suitable for all ages: Ideal for both casual and themed events
Summarized by Shop
Explore the Bortle Scale with this T-Shirt, featuring a visual representation of sky darkness levels. Perfect for astronomy enthusiasts and stargazers.
Category
T Shirt
Material
Not specified
Design
Bortle scale illustration
Intended Use
Apparel
Fit
Standard t-shirt fit
Summarized by Shop
5.0
2 ratings
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1
It easy to browse the store. The order arrived quickly.
M
Mark · August 21, 2026
Fantastic shirts. I accidentally ordered a small on one of my shirts, and I asked Michael if I could exchange for a large. He sent me the large without charge and also let me keep the small shirt, so it will be a nice gift for my niece!
