Because its referring to you. And when you refer to someone or yourself you capitalize. Its also part of a proper noun.
ROMEO
What less than dooms-day is the prince's doom?
FRIAR LAURENCE
A gentler judgment vanish'd from his lips,
Not body's death, but body's banishment.
ROMEO
Ha, banishment! be merciful, say 'death;'
For exile hath more terror in his look,
Much more than death: do not say 'banishment.'
FRIAR LAURENCE
Hence from Verona art thou banished:
Be patient, for the world is broad and wide.
ROMEO
There is no world without Verona walls,
But purgatory, torture, hell itself.
Hence-banished is banish'd from the world,
And world's exile is death: then banished,
Is death mis-term'd: calling death banishment,
Thou cutt'st my head off with a golden axe,
And smilest upon the stroke that murders
I think the answer is this is an example of personification. Sorry if this isn't correct.
It guides you to get the assignment correct :)
Hope this help!!
Answer:
The word "protracted" means lasting longer than expected, or unusually long, so what protracted most clearly means based on the context of the excerpt is how the time period of celestial motion studies must have lasted unusually long.