The correct answer is becoming an astronomy researcher
For starters, it is the only appositive phrase. It is also non-essential because the sentence conveys full meaning even if it was removed.
I’m not 100% what your asking but it looks like especially would be the right answer
The adjective unorthodox originally referred to religion, specifically to a person or practice that went against the traditions of a particular belief. ... So someone whose beliefs are orthodox has "the right opinion," while an unorthodox person does not.
Correct answer for apex is:
“The Doctor in a clean starch’d band, / His golden snuff box in his hand,”
