That would be a <span>Thesaurus.
I hope this helps ya :)</span>
Answer:
the author used the terms to help understand the trip of Juno by using detales of the trip. he/she explaine what safe mode was and why juno went into safe mode. she/he had also explaned what a fly-by was.
Explanation:
Biggest weight first, second smallest weight, finally the smallest.
All go to the right.