Riddle

What can emit an umbra on the earth, and provide phosphorescence for all its creatures, all while altering the visual surface of itself within phases?

Choose an answer

A.A solar eclipse
B.A comet
C.A satellite
D.The moon
Hint: It's a 2-word phrase with 7 letters, starting with "T".

Answer

The moon

Why this is the answer

The moon casts a shadow (umbra) during eclipses and reflects glowing light that changes as it moves through phases.

This riddle is filed under How, What, Why Riddles and rated Hard.