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PS Invest 8/9 Vocab

TermDefinition
ABSORPTION LINE A DARK AREA OF A SPECTRUM, INDICATING THE WAVELENGTH OF ABSORBED LIGHT
EMISSION LINE A BRIGHT LINE OF A SPECTRUM, INDICATING THE WAVELENGTH OF EMITTED LIGHT
LIGHT SIGNATURE SPECTRUM; EVERY SUBSTANCE HAS ITS OWN SPECIFIC LIGHT SIGNATURE.
SPECTROSCOPE A TOOL USED TO STUDY THE SPECTRUM OF COLORS COMING FROM A LIGHT SOURCE.
SPECTRUM A PATTERN OF WAVELENGTHS THAT CAN IDENTIFY DIFFERENT KINDS OF LIGHT.
VISIBLE LIGHT WAVELENGTHS OF ELECTROMAGNETIC READIATION THAT CAN BE SEEN BY THE HUMAN EYE
ORBITAL PERIOD HOW LONG IT TAKES AN OBJECT TO ORBIT ANOTHER OBJECT
ORBITAL RADIUS THE AVERAGE DISTANCE BETWEEN AN OBJECT AND THE OBJECT IT IS ORBITING.
ORREY A MECHANICAL DEVICE THAT SHOWS THE RELATIVE POSITIONS AND MOTIONS OF PLANETS AS THEY ORBIT THE SUN.
TRANSIT WHEN ONE OBJECT APPEARS TO MOVE ACROSS ANOTHER OBJECT AS SEEN FROM THE PERSPECTIVE OF AN OBSERVER.
Created by: dsparr
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