The speaker looks up at the stars and sees a mirror of human loneliness. The stars shine, but they sit apart, and the poem suggests that solitude is something humans own more than anything in the sky. The line "The stars amuse me" returns twice, a dry, slightly bitter note, as if the speaker finds both the universe and our theories about it a little absurd.
The poem's turn comes with dark energy. Physicists, the speaker says, put it at 68% of space, but the speaker claims it fills 99% of our planet, hidden in warm smiles, close friendships, and trusted people, creeping into happy moments. It becomes a metaphor for distance and distrust inside the closest relationships. The idea that we "expand to grow apart" echoes the expanding universe. The final line, "People call it a devil," names this force with a shrug.
The mood is cool, wry, and quietly sad, with disillusionment under the sarcasm.