Uruk Sulcus
Encyclopedia
Uruk Sulcus is a bright region of grooved terrain adjacent to Galileo Regio
on Jupiter
's moon
Ganymede
. It is thought to be younger than the darker material elsewhere on the moon.
Galileo Regio
Galileo Regio is a large, dark surface feature on Jupiter's moon Ganymede.Contrary to the first impression, Galileo Regio is not an impact crater but a region of ancient dark material that has been broken apart by tectonism and is now surrounded by younger, brighter material that has been upwelling...
on Jupiter
Jupiter
Jupiter is the fifth planet from the Sun and the largest planet within the Solar System. It is a gas giant with mass one-thousandth that of the Sun but is two and a half times the mass of all the other planets in our Solar System combined. Jupiter is classified as a gas giant along with Saturn,...
's moon
Natural satellite
A natural satellite or moon is a celestial body that orbits a planet or smaller body, which is called its primary. The two terms are used synonymously for non-artificial satellites of planets, of dwarf planets, and of minor planets....
Ganymede
Ganymede (moon)
Ganymede is a satellite of Jupiter and the largest moon in the Solar System. It is the seventh moon and third Galilean satellite outward from Jupiter. Completing an orbit in roughly seven days, Ganymede participates in a 1:2:4 orbital resonance with the moons Europa and Io, respectively...
. It is thought to be younger than the darker material elsewhere on the moon.