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Black Hole Einstein Ring NASA Card
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Signature Matte
18 pt thickness / 120 lb weight
Soft white, soft eggshell texture
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About This Design
Black Hole Einstein Ring NASA Card
Simulated view of a black hole in front of the Large Magellanic Cloud. The ratio between the black hole Schwarzschild radius and the observer distance to it is 1:9. Of note is the gravitational lensing effect known as an Einstein ring, which produces a set of two fairly bright and large but highly distorted images of the Cloud as compared to its actual angular size.
Customer Reviews
4.9 out of 5 stars rating18K Total Reviews
18,040 Reviews
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5 out of 5 stars rating
By Pat M.1 September 2025 • Verified Purchase
Folded Greeting Card, Size: Standard, 12.7 cm x 17.8 cm, Paper: Signature Matte, Envelopes: White
Thank you Colana for the perfect custom made Mass Card. It's for my brother-in-law's birthday on 5th October, St. Faustina's Feast day! So very pleased with quality of the card and the personalisation - really beautiful!
Shower of Roses Shoppe is my go to for future cards and highly recommend. .
5 out of 5 stars rating
By Gary C.17 January 2021 • Verified Purchase
Folded Greeting Card, Size: Small, 10.2 cm x 14.2 cm, Paper: Signature Matte, Envelopes: White
Zazzle Reviewer Program
I Design It And So Perfect 😍👌🏼
That What I ask For. Printing It So Good And Perfect 😍👌🏼
5 out of 5 stars rating
By MARWA A.23 October 2021 • Verified Purchase
Folded Greeting Card, Size: Standard, 12.7 cm x 17.8 cm, Paper: Signature Matte, Envelopes: White
Zazzle Reviewer Program
I think it’s great how you can design your own cards and buy them and they’re not even expensive which is really good. The printing turned even better than I expected
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Product ID: 137414354151012049
Created on 26/06/2017, 21:44
Rating: G
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