Examlex
If an astronomer is trying to locate starburst galaxies, which of these would be a good spectral region in which to observe?
Stepper Motor
An electric motor that moves in discrete steps, allowing precise control of position and speed.
Electrical Pulses
Rapid, transient changes in the electrical potential or voltage, often used as signals in various devices.
Tachometer
An instrument used to measure the rotation speed of a shaft or disk, as in a motor or other machine.
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