Moons: none Qualitative Features: Mass measured by observing the trajectories of spacecraft sent to Venus Surface is relatively smooth with two large areas of uplands, containing mountains comparable in height to those on Earth.
(none Qualitative Features; measured; by observing the trajectories of spacecraft) (the trajectories of spacecraft; sent; to Venus Surface) (Moons; is; relatively smooth with two large areas of uplands) (two large areas of uplands; containing; mountains comparable in height to those on Earth)
none Qualitative Features the trajectories of spacecraft Moons two large areas of uplands
measured sent is containing
by observing the trajectories of spacecraft
to Venus Surface
relatively smooth with two large areas of uplands
mountains comparable in height to those on Earth