hevelius

noun

1. JohannesJohann Hewel or Hewelke, 1611–87, Polish astronomer: charted the moon’s surface and discovered four comets.
2. a walled plain in the second quadrant of the face of the moon: about 100 miles (160 km) in diameter.

noun

1. Johannes (joˈhanəs). 1611–87, German astronomer, who published one of the first detailed maps of the lunar surface