Answer:
Kenning, concise compound or figurative phrase replacing a common noun, especially in Old Germanic, Old Norse, and Old English poetry. A kenning is commonly a simple stock compound such as “whale-path” or “swan road” for “sea,” “God's beacon” for “sun,” or “ring-giver” for “king.”
Explanation:
1,2,5, 10, 25 are all factors of 50
Pluto was declared to be a dwarf-planet by the International Astronomical Union in 2006.
The sentences contrast with the perspective Douglass provides in Paragraph 2.