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Black hole in space pixel art.
Seventeen-Year Cicada or Magicicada sp., vintage engraving. Old engraved illustration of a Seventeen-Year Cicada.
Lemniscate of Bernoulli, in geometry a plane fourth-order algebraic curve and a special case of a Cassini curve. Its graph has the shape of a closed figure eight, or of an infinity symbol. Vector
Space Satellites CassiniHuygens Facts and information -vector illustration