The use of "starry spheres" in poetry is an example of alliteration, which is the repetition of initial consonant sounds in neighboring words. In this case, the repeated "s" sound in "starry spheres" creates a musical and rhythmic quality to the phrase.

The phrase "starry spheres" also evokes vivid imagery of the night sky filled with twinkling stars. By using this imagery, the poet creates a sense of wonder and beauty, transporting the reader to a magical and celestial realm.

Furthermore, "starry spheres" can be seen as a metaphor for the vast expanse of the universe. The stars are likened to spheres, emphasizing their round and celestial nature. This metaphorical use adds depth and complexity to the description of the night sky.

The phrase "starry spheres" appeals to the sense of sight and touch, as it conjures up the image of the shimmering stars in the sky and the idea of reaching out to touch these celestial bodies. This sensory appeal enhances the reader's experience and adds richness to the poetic language.