click below
click below
Normal Size Small Size show me how
PS Invest 8/9 Vocab
Term | Definition |
---|---|
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. |