EditorialComets with tails observed in the 17th century. Orbit of a comet 1, comet with tail 2, and comet with tail observed by the astronomer Johannes Hevelius at Danzig in February and March 1661 (probably Comet Ikeya?Zhang) 3. Handcoloured copperplate engrav...
EditorialComets with tails observed in the 17th century. Orbit of a comet 1, comet with tail 2, and comet with tail observed by the astronomer Johannes Hevelius at Danzig in February and March 1661 (probably Comet Ikeya?Zhang) 3. Handcoloured copperplate engrav...