The scientist used a spectrometer to analyze the light from the stars.
An instrument used to measure the spectrum of light or other radiation.
The spectrometer helped us see the different colors in the light.
A device that separates light into its different colors or wavelengths.
ด้วยพจนานุกรมภาพและแฟลชการ์ดที่ทรงพลังฟรี
