Dhan Gopal Mukerji, born in 1890 near Calcutta, made his literary home in the United States in the early twentieth century, when few Indian writers were published in the West. Writing in those decades, he brought the imagery of Indian classical dance, myth, and temple song into English free verse, and "Lunar Rainbow" is a jewel of that cross-cultural moment: a tiny, moonlit scene that reads like a fragment of myth.
The poem turns a rare natural sight—a lunar rainbow, or moonbow—into an intimate drama. The opening image is delicate and strange: the moon "spreads a rainbow fan / With her beams." Right away, moonlight is not just light; it is an object, a gesture, perhaps a woman cooling herself after exertion. The cloud "Puts on it one star," as if decorating the fan with a single jewel. That small, precise action, "puts on," gives the sky the feel of a dressing table or a stage. The stanza closes with "A song within a dream," a phrase that bends the senses: the visual event becomes musical, then slips into sleep. The poem is not describing weather; it is remembering a vision that already feels half-imagined.
The second stanza shifts into a question, and the question is the heart of the poem. "What moon-maid after dance, / On what balcony standing, / Cools her face with this fan, / The star holding a mirror to her eyes?" Mukerji imagines the moon as a dancer, flushed and graceful after a performance, standing somewhere hidden on a celestial balcony. The rainbow fan exists to cool her face; the single star is a hand mirror. The word "what" appears twice, not because the speaker needs an answer, but because the scene feels too lovely to pin down. The repeated question keeps the image suspended between myth and observation. Is this a goddess? A court dancer? A memory from Indian poetry? The poem refuses to say.
Formally, "Lunar Rainbow" has no rhyme, but it is tightly shaped. The first stanza moves in short, almost breathless phrases: two lines for the moon's action, two for the cloud's response, then a slowing, isolated final line. The second stanza is one long, winding question that spills over four lines before ending on the intimate mirror. The rhythm is not metrical, yet every line feels placed. Words such as "fan," "beams," "cloud," "star," "dream," "dance," "balcony," and "mirror" form a chain of soft consonants and open vowels, so the poem seems to cool the mouth as it is read aloud.
What makes the poem significant is its scale. In eight lines, Mukerji does what a longer poem might take pages to do: he transforms a sky event into a feeling of reverence and gentle mystery. The poem belongs to a modern movement that valued the image over explanation—similar to haiku or early Imagism—but it carries a distinctly Indian sensuality and sense of the divine in nature. The moon is not a symbol to decode; she is a living performer, momentarily glimpsed after the music ends. The star does not represent hope or guidance; it is simply a mirror, reflecting light back into her eyes.
For a school reader, the poem is an invitation to slow down. It asks us to notice how a cloud crossing the moon can look like a hand adding a jewel to a fan, and how a scientific fact—a moonbow—can become a private story about beauty, rest, and the hidden life of the sky. That mixture of sharp observation and dreamlike questioning is what keeps the poem feeling fresh.