Yes, all the "a"s, "an"s, and "the"s in those sentences are articles.
Setting: Bahamas
Character: Peter, John, And The Woman
Plot: Basically Peter went to Bahamas and met a friend and something embarrasing happened to him.
Theme: Not sure, but I think it is to be more careful while walking
Answer:
I personally feel like the answer is a hope this helps
Because he thought it would be a good idea
Assuming we're just looking at this phrase, "learn'd" suggests that the astronomer studied to become intelligent in the astronomical field.
