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Schwarzschild Radius Pin

Schwarzschild Radius Pin

24 total reviews

The diameter of this pin is the same as a black hole with the mass of Earth.

If you compress any amount of mass, it becomes denser. If you compress it enough, it will become so dense that light can no longer escape it—this size is the object’s Schwarzschild radius. An object that is compressed smaller than this radius is a black hole.

If you compressed all of the mass of Earth into the diameter of this pin, it would be so incredibly dense that you would not even be able to see it.

Every object has a Schwarzschild radius proportional to its density: the Sun's is 3km, Jupiter’s is 2.62m, and a hamburger’s is smaller than a single atom. Karl Schwarzschild derived this property in 1915 using Einstein’s recent field equations.

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    Customer Reviews

    Based on 24 reviews
    A.R. (Virginia, United States)

    Ashley gave this item 5 stars

    K.N. (Virginia, United States)

    Really good pin, it stays clipped on well and I love it.

    R.W. (Virginia, United States)

    I love it! The quality is great and It's even better than I expected!

    A.T. (Virginia, United States)

    Armin gave this item 5 stars

    J.P. (Virginia, United States)

    I just kinda found this shop and boy! am I glad I did! Love this shop immensely & immediately! The pins are well made with significant sciency facts illustrated, and trivia thrown in. The dinosaur pins are beautiful. Excellent enamel work and detail! Overall just a real fun store with great artistry everywhere! Thank you! Peace ☮️

    H.M. (Virginia, United States)

    Looks great, super cute. Got it for my pal who studies GR and he loved it


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