blackhole-chan
A personification of the M87 Black Hole, the first black hole to be ever photographed.
Her appearance varies, but the most popular (and first) depiction, drawn by survival yaiba. In this depiction she is nude, with glowing orange irises with black sclera to match the picture of the black hole, and long two-toned hair that's black on the outside and glowing orange on the inside. Sometimes she is also given dark skin.
Another depiction by dishwasher1910. In this version she has normal eyes, an ahoge and crossed bangs, and wears a china dress.