On our CodyCross answers based website we have the solution for Maria __, astronomer, discovered a comet in 1847. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for Maria __, astronomer, discovered a comet in 1847 by scrolling down which is part of CodyCross Famous Women in Science Group Puzzle 4.