Which scientific term best matches this description: Instrument connected to a telescope that separates the light signals into different frequencies, producing a spectrum?

A) light-year

B) spectrometer

C) satellite

D) telescope

Answer: B

Explanation: The instrument connected to a telescope that separates the light signals into different frequencies, producing a spectrum. A dispersive spectrometer is like a prism, scattering light of different energies to different places.