Two naturalists explore the icy frontier on Saturn's inner moon Prometheus, as the ringed gas giant rises in the sky.

These images of life in the outer solar system are by David Robinson - see more of his work on the International Space Art Network.

Saturnrise on the moon PrometheusS

Saturnrise on the moon PrometheusS

Saturnrise on the moon PrometheusS

Saturnrise on the moon PrometheusS

Saturnrise on the moon PrometheusS