System's

Hey, where did you put the car navigation system's user's manual?

Ecstasy is the upper system's drug.

The Sun is the biggest object in our solar system. It contains more than 99% of the solar system's mass.

The Martian polar caps thaw in summer and freeze in winter, showing that our solar system's planets are dynamic and changing.

Although Europa is thought to have the ingredients needed to support life—water, energy, organic compounds—it lies outside of our solar system's habitable zone.

Tom Statler, Lucy program scientist, told VOA in an email that Trojan asteroids are "leftovers from the formation of our solar system's giant planets — Jupiter, Saturn, Uranus, and Neptune" and that "the formation and early evolution of the Earth was influenced by what was happening to the giant planets farther from the sun.

Many children nowadays are uninterested in what they learn in school, believing it's useless to them. Is that the students' fault, or the system's fault?