M87 center black hole can batch [small]

A giant black hole shadow centered on the M87 nebula of the galaxy, a schematic diagram of light trajectories around the black hole, taken by the Event Horizon Telescope, an international cooperation project integrating eight radio telescopes on the earth, M87 center It is a can batch designed with the image of the center of the black hole.

• Anti-rust treated, safe hook pin
• Credit: EHT Collaboration, Nicolle R. Fuller/NSF, Jordy Davelaar et al./Radboud University/BlackHoleCam

[Size] Diameter 32 mm