The bizarre orientation of the planet, which orbits the sun tipped on its side, reveals that its inner core has a stronger influence on its weather patterns than the distant star. The green and blue regions show where the atmosphere is clear, allowing sunlight to penetrate deep into Uranus.
One creative answer to why is a raven like a writing desk is they both come with inky quills. Lewis Carroll never intended an answer to the question of why a raven is like a writing desk. The raven-writing desk riddle hails from Lewis Carroll's Alice's Adventures in Wonderland.
Like death, loss, and suffering, the raven is part of the speaker's life and will remain so. The raven casts a shadow on the speaker's life and seems to threaten the speaker. He comes unexpectedly and acts as it pleases without any concern for the effect it has on others.