DAVID A. HARDY / SCIENCE PHOTO LIBRARY DAVID A. HARDY / SCIENCE PHOTO LIBRARY
Uranus and Neptune. Computer artwork of the planets Uranus (right) and Neptune (left), showing their ring systems. Neptune is the eighth planet from the Sun and the third-largest (by mass) in the solar system. Uranus is the seventh planet from the Sun and the fourth-largest (by mass) in the solar system.
Model release not required. Property release not required.