# Preamble

# Learning Objectives

By the end of this chapter, you should be familiar with some concepts of molecular spectroscopy. You will be introduced to techniques and methods used to locate, identify molecules based on their fingerprints, and how molecules are identified in space. Finally, you will have the opportunity to explore recent datasets of astrochemistry research.

# Learning Flow

Before week 5 lecture, do the pre-lecture homework and briefly read through the lecture notes.

During week 5 lecture, we will go through most of the content in this chapter. As usual, some activitie will be incorporated to break the monotony. If we run out of time, part of the content may be discussed in week 6 lecture.

In week 6 IS, we will discuss the questions at the end of the chapter.