Astronomers observed the dynamics of stellar disks to understand how planets form.

Oceanographers lowered Secchi disks to measure water clarity at different depths.

Scientists modeled how Alderson disks would affect planetary climates across a binary star system.

Please remember to set the parking disks before leaving the car.

Under the microscope, the annelid larvae displayed two distinct trochal disks that propelled them through the water.

The ophthalmologist carefully examined the patient's optic disks using a slit lamp and fundus photography.

The technician pulled several Winchester disks from the storage cabinet to recover the archived data.

Children dropped colored pebbles onto the frozen lake, making perfect ice disks that sparkled in the afternoon sun.

The library donated several old optical disks to the technology museum last week.

Early television pioneers used Nipkov disks to scan images mechanically.