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Gravitational Blueshift

4.9 out of 5 stars rating
7419 Total Reviews |
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Paper Type
Signature Matte
  • 17 pt thickness / 120 lb weight
  • Light white, uncoated matte finish with an eggshell texture
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About Cards

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Size: Standard (12.7 cm x 17.8 cm)

Birthdays or holidays, good days or hard days, Zazzle’s Customised greeting cards are the perfect way to convey your wishes on any occasion. Add a photo or pick a design and brighten someone’s day with a simple “hi”!

  • Dimensions: 12.7 cm x 17.8 cm (portrait) or 17.8 cm x 12.7 cm (landscape)
  • Full colour CMYK print process
  • All-sided printing for no additional cost
  • Printable area on the back of the card is 7.62 cm x 10.16 cm (portrait) or 10.16 cm x 7.62 cm (landscape)
    • Blank white envelopes included

Paper Type: Matte

The most popular paper choice, Matte’s eggshell texture is soft to the touch with a smooth finish that provides the perfect backdrop for your chosen designs.

  • Light white, uncoated matte finish with an eggshell texture
  • Paper is easy to write on and won't smudge

About This Design

Gravitational Blueshift

Gravitational Blueshift

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.
FractalFire
Bronze
Artwork designed by
Anchorage, Alaska, United States
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Customer Reviews

4.9 out of 5 stars rating7.4K Total Reviews
6784 total 5-star reviews495 total 4-star reviews71 total 3-star reviews28 total 2-star reviews41 total 1-star reviews
7,419 Reviews
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By E.15 November 2021 • Verified Purchase
Folded Card, Size: Standard (12.7 cm x 17.8 cm), Paper: Signature Matte
Zazzle Reviewer Program
Lovely quality cards. Nice to get a real traditional Chrismassy theme in Australia, not the beach and Australian animals stuff. Excellent, would use again
5.0 out of 5 stars rating
5 out of 5 stars rating
By Angela M.16 November 2022 • Verified Purchase
Folded Card, Size: Big (21.6 cm x 28 cm), Paper: Signature Matte
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Easy to order Good price Quick delivery. Card came out exactly as ordered
5.0 out of 5 stars rating
5 out of 5 stars rating
By Lyn B.19 December 2021 • Verified Purchase
Folded Card, Size: Standard (12.7 cm x 17.8 cm), Paper: Signature Matte
Zazzle Reviewer Program
This was exactly what was wanted for my piano crazy grandson! He is self taught & is now having lessons by a top teacher and has been asked to play at various venues in the US! We are so proud of him and this card was so just right for him! I couldn’t tell because I had it sent directly to him because I am in Australia & he is in the US but he said it was beautiful!!

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Other Info

Product ID: 137288866138221102
Added on 19/12/13, 6:09 pm
Rating: G