Short Answer 
The answer examines Gatsby’s mysterious nature, underscoring his complexity and the intrigue he generates among others. It also highlights the significance of his introspective moments in solitude and illustrates how Nick Carraway’s flawed narration enhances the understanding of Gatsby’s character, emphasizing themes of perception and reality.
Step 1: Understand Gatsby’s Mysterious Nature
The appearance of Gatsby emerging from the shadows is symbolic of his mysterious character. He is portrayed as a man filled with secrets that intrigue others, contributing to an enigmatic persona that captivates both characters and readers. This portrayal emphasizes how complex individuals can be, particularly in F. Scott Fitzgerald’s narrative style.
Step 2: Analyze the Context of His Emergence
When Gatsby stands alone in the moonlight observing stars, it highlights his introspective nature. This setting allows for a connection between his solitary experience and a deeper reflection on his life and ambitions. His solitude signifies a comfortable yet contemplative state, showcasing his confidence when removed from the public eye.
Step 3: Recognize the Role of the Narrator
Nick Carraway, as a flawed narrator, impacts our understanding of Gatsby. Through Nick’s perspective, readers gain insight into Gatsby’s complexities, adding layers to his character. This relationship between Gatsby’s actions and Nick’s interpretation is crucial for unraveling the mystery surrounding Gatsby and emphasizes the themes of perception and reality in the narrative.