Pluto is about two-thirds the diameter of Earth's Moon, and may have a rocky core surrounded by a mantle of water ice.
(Pluto; is; about two-thirds the diameter of Earth's Moon) (Pluto; may have; a rocky core surrounded by a mantle of water ice) (a rocky core; surrounded; by a mantle of water ice)
Pluto Pluto a rocky core
is may have surrounded
about two-thirds the diameter of Earth's Moon
a rocky core surrounded by a mantle of water ice
by a mantle of water ice