The trees in the painting are tall and thin, with pointy tops that seem to stretch up into the swirling sky. Their dark color contrasts with the bright, swirling patterns of the stars and adds to the overall sense of movement and energy in the painting.
While the specific details of the horizon in "Starry Night", the overall effect is one of a dynamic, ever-changing landscape. The swirling patterns of the stars, the undulating landscape of the horizon, and the tall, thin cypress trees all contribute to a sense of movement and energy that suggests a world in constant flux. This sense of movement and change is one of the key features of van Gogh's unique style, and it is what gives "Starry Night" its powerful, enduring appeal.