'The largest of these on Mars is Hellas Planitia, more than 1,3000 miles wide and 3.78 miles deep'
a crater
DESTINATION:  MARS: The largest of these on Mars is Hellas Planitia, more than 1,3000 miles wide and 3.78 miles deep
The largest of these on Mars is Hellas Planitia, more than 1,3000 miles wide and 3.78 miles deep
The largest of these on Mars is Hellas Planitia, more than 1,3000 miles wide and 3.78 miles deep
DESTINATION:  MARS
a crater
DESTINATION:  MARS