Harry is reading the textbook for his astronomy class and is trying to relate the material to his own life experiences. According to the levels of processing model, Harry is more likely to remember the information over the long term because he is using

Deep Learning

Explanation:

Based on the scenario being described within the question it can be said that Harry is likely to remember this information due to him using Deep Learning. This term refers to elaborated rehearsal of the subject that is being learned in order to create a deeper and more meaningful analysis of the information which leads to being able to better remember that information.

answer; reactive is your answer; good luck