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Proxima Centauri b Or Bust RTG Astronomy Humour Coffee Mug

4.8 out of 5 stars rating
22230 Total Reviews |
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Classic Mug
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Style: Classic Mug

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  • Available in 11-ounce or 15-ounce
  • Dimensions:
    • 11-ounce: 3.2” D x 3.8” H
    • 15-ounce: 3.4” D x 4.5” H
  • Microwave and dishwasher safe
  • Use caution when removing the mug from the microwave. Use a pot holder or glove as necessary if it is too hot to the touch. Do not microwave an empty mug
  • Strong, ceramic construction
  • Meets FDA requirements for food and beverage safety
  • Printed on demand in Reno, NV
  • Do not overfill and be careful with hot liquids that may scald
  • Keep out of reach of children when filled with hot liquid

About This Design

Proxima Centauri b Or Bust RTG Astronomy Humour Coffee Mug

Proxima Centauri b Or Bust RTG Astronomy Humour Coffee Mug

Do you believe that interstellar space exploration is possible? Let your wry space exploration side shine with this mug featuring a diagram of a radioisotope thermoelectric generator (RTG, RITEG), an electrical generator that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity by the Seebeck effect. Design also includes the following title and caption, for all who are familiar with the Breakthrough Starshot project. Memorable technical geek humour mug for any interstellar space exploration fan!
Words & Unwords
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Washington, United States
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Customer Reviews

4.8 out of 5 stars rating22.2K Total Reviews
19652 total 5-star reviews1902 total 4-star reviews325 total 3-star reviews141 total 2-star reviews210 total 1-star reviews
22,230 Reviews
Reviews for similar products
1 out of 5 stars rating
By Keira B.August 7, 2025 • Verified Purchase
Classic Mug, 325 ml
I was originally happy about my purchase and Nana loved the gift. HOWEVER, the description specifically says that these are microwave and dishwasher safe, BUT the first time Nana put this mug in the dishwasher it was destroyed. Not impressed..
5 out of 5 stars rating
By Courtney V.December 17, 2020 • Verified Purchase
Classic Mug, 325 ml
Zazzle Reviewer Program
Nana is going to love this gift from her granddaughter! Good quality mug. Photos turned out good, colours are true as expected!
5 out of 5 stars rating
By Zoe J.February 4, 2018 • Verified Purchase
Zazzle Reviewer Program
I am very satisfied with the quality of this product. The printing of the image on the mug was absolutely perfect and the quality of the mug itself was very good as well. I would recommend this product to anyone. I am very pleased with how the printing on the mug turned out. The image was clear, not blurry at all, and easy to see. I would recommend this product to anyone.
Original product

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Mugs
proxima centauri brtgbreakthrough starshotastronomyspace explorationinterstellar space explorationradioisotope thermoelectric generatorwords and unwordsstarchip energyastronomer geek humour
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proxima centauri brtgbreakthrough starshotastronomyspace explorationinterstellar space explorationradioisotope thermoelectric generatorwords and unwordsstarchip energyastronomer geek humour

Other Info

Product ID: 168415203275356058
Designed on 2016-08-30, 4:17 AM
Rating: G