| 释义 |
Mitchell Maria Mitchell, Maria 1818-1889. American astronomer and educator noted for her study of sunspots and nebulae and for the discovery of a comet (1847). She was the first woman elected to the Academy of Arts and Sciences (1848).Mitch·ell (mĭch′əl), Maria 1818-1889. American astronomer and educator noted for her study of sunspots and nebulae and for the discovery of a comet (1847). |