Star Characteristics
A body of hot gases that radiate energy What is a Star? A body of hot gases that radiate energy
Hertz sprung-Russell Diagram A graph that shows the relationship between the surface temperature and the absolute magnitude of a star
A measure of how much light a star gives off Absolute Magnitude A measure of how much light a star gives off
A measure of the amount of light received on Earth Apparent Magnitude A measure of the amount of light received on Earth
A measure of how much energy leaves a star in a period of time Luminosity A measure of how much energy leaves a star in a period of time
The MORE luminous a star, the BRIGHTER it is. The luminosity of stars is dependent on: Temperature Size Stars that are the least luminous are: SMALL & COOL Stars that are the most luminous are: LARGE & HOT
Color of the hottest star= BLUE Color of the coolest star= RED Most stars are classified as what type of star? MAIN SEQUENCE Our Sun is classified as what type of star? MAIN SEQUENCE