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Sale Price $18.24.
Original Price $21.45 Comp. value
per shirt
You save 15%
Slow Down!!! T-Shirt
Qty:
Style
Basic T-Shirt
-$1.25
+$8.90
Color & Print Process
White
Classic Printing: No Underbase
Vivid Printing: White Underbase
About T-Shirts
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About This Design
Slow Down!!! T-Shirt
Everyone in astronomy knows that the Doppler Effect causes visible objects to shift toward the blue spectrum when they are moving very quickly toward you. So this shirt can serve as an excellent warning to astronomy majors that they are walking too fast! If the planet on the shirt appears to be blue, they must be traveling at an incredible speed, and should probably slow down before they burn up from friction with molecules in the atmosphere.
Customer Reviews
4.7 out of 5 stars rating32K Total Reviews
32,012 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars ratingBy Jerry S.July 5, 2025 • Verified Purchase
Basic T-Shirt, White, Large
Have had Zazzle complete a number of T-shirt projects in the past. This one had several design elements. It was well done. I will work with Zazzle again.
2.0 out of 5 stars rating
2 out of 5 stars ratingBy Mas B.August 8, 2025 • Verified Purchase
Basic T-Shirt, White, Small
The T shirt seems to be made from decent material but appears to be an irregular t-shirt sewn and stitched. .
5.0 out of 5 stars rating
5 out of 5 stars ratingBy AnonymousMay 12, 2026 • Verified Purchase
Basic T-Shirt, White, XL
Our Girl Scouts were bridging to adult and our troop dad was always there to lend a helping hand. We wanted to do something special for him so we put special pictures on the front and a note on the back. It brought a tear to his eye. .
Tags
Other Info
Product ID: 235624094886486405
Created on: 3/22/2005, 1:36 AM
Rating: G