(1818–89), US astronomer. She established the orbit of a newly discovered comet in 1847 and became the first woman elected 1848 to the American Academy of Arts and Sciences. She taught astronomy at Vassar College 1865–88.
Definition of Mitchell, Maria in US English:
Mitchell, Maria
proper nounˈmiCHəl
(1818–89), US astronomer. She established the orbit of a newly discovered comet in 1847 and became the first woman elected 1848 to the American Academy of Arts and Sciences. She taught astronomy at Vassar College 1865–88.