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$122.00
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Gravitational Blueshift Dartboard
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Gravitational Blueshift Dartboard
A multi-coloured, fractal representation of gravitational blueshifting; the shifting of light towards the blue end of the spectrum that occurs as photons become more energetic when falling into a gravity well. Unlike the more commonly known Doppler blueshift, an apparent effect which is the result of motion towards the observer, gravitational blueshift is real, independent of the received angle of the photon. Gravitational blueshift is a natural consequence of conservation of energy and mass-energy equivalence.
Customer Reviews
4.6 out of 5 stars rating133 Total Reviews
133 Reviews
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By Anonymous23 April 2025 • Verified Purchase
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Could not be happier about this dart board. Excellent price and it looks exactly as designed and is well made.
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By Angeline H.11 August 2023 • Verified Purchase
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Was exactly what I wanted for his retirement gift. I knew that the quality of the image wasn't the best but it turned out to be awesome
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By Kim d.17 December 2022 • Verified Purchase
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I am so please with the quality of this dartboard and the image is awesome!! My son was in the MC and I can't wait to give this to him for Christmas! The printing is perfect!
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Product ID: 256404326118001992
Posted on 19/12/2013, 4:01 PM
Rating: G
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