The system automatically deletes expiring objects after 30 days.

I bought a new car.

I found an object that has aesthetic value but is not considered an artwork.

The museum has a vast collection of objects of art.

The teacher used a science experiment as an object lesson to explain the concept of gravity.

I cleaned the object glass of the microscope.

A quasi-stellar object, also known as a quasar, is a celestial object that emits an exceptionally large amount of energy.