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Brown Dwarfs As Seen By An Interstellar Traveller. Coffee Mug

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Classic Mug
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Style: Classic Mug

Give a made-to-order mug from Zazzle to someone special, or treat yourself to a design that brings you joy or makes you laugh. Create your own photo mug, shop our collection of the funniest joke mugs, personalise your mug with a monogram, or express yourself with one of our 10 million designs.

  • Available in 325 ml or 443 ml
  • Dimensions:
    • 325 ml: 8.1 cm D x 9.7 cm H
    • 443 ml: 8.6 cm D x 11.4 cm 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
  • 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

Brown Dwarfs As Seen By An Interstellar Traveller. Coffee Mug

Brown Dwarfs As Seen By An Interstellar Traveller. Coffee Mug

Artist's concept illustrating what brown dwarfs of different types might look like to a hypothetical interstellar traveller who has flown a spaceship to each one. On the left is an L dwarf, in the middle is a T dwarf, and on the right is a Y dwarf. The objects are progressively cooler in atmospheric temperatures as you move from left to right. The L dwarf is seen as a dim red orb to the eye. The T dwarf is even fainter and appears with a darker reddish, or magenta, hue. The Y dwarf is dimmer still. Because astronomers have not yet detected Y dwarfs at the visible wavelengths we see with our eyes, the choice of a purple hue is done mainly for artistic reasons. The Y dwarf is also illustrated as reflecting a faint amount of visible starlight from interstellar space. In this rendering, the traveller's spaceship is the same distance from each object. This illustrates an unusual property of brown dwarfs, that they all have the same dimensions, roughly the size of the planet Jupiter, regardless of their mass. This mass disparity can be as large as fifteen times or more when comparing an L to a Y dwarf, despite the fact that both objects have the same radius.

Customer Reviews

4.8 out of 5 stars rating21.7K Total Reviews
19186 total 5-star reviews1840 total 4-star reviews322 total 3-star reviews133 total 2-star reviews207 total 1-star reviews
21,688 Reviews
Reviews for similar products
5 out of 5 stars rating
By S.20 June 2021Verified Purchase
Classic Mug, 325 ml
Zazzle Reviewer Program
Very happy with the printing and overall quality of the personalized welcome pack for our employees. Great quality and placement, very happy with how it turn out!
5 out of 5 stars rating
By Kirsty D.7 May 2021Verified Purchase
Classic Mug, 325 ml
Zazzle Reviewer Program
Very pleased with the product. Arrived well packaged in one piece and looks good. Exactly as per picture.
5 out of 5 stars rating
By Debbie P.19 November 2023Verified Purchase
Classic Mug, 325 ml
Zazzle Reviewer Program
I have not gifted it yet, but know the person will love it. Awesome - nice and bold

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dwarf starssizecomparisonspacebrown dwarfssubstellar objectsastronomical objectspurpleredcircle

Other Info

Product ID: 256704368103144767
Posted on 19/01/2024, 10:52 AM
Rating: G 
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