click below
click below
Normal Size Small Size show me how
Astronomy 2
Hertzsprung - Russel _(HR) Diagram
| Question | Answer |
|---|---|
| What does the HR Diagram do? | It measures temperature and brightness of a star |
| Temperature increases when you move: Left or right? | Left |
| Brightness increases as you move: Up or down? | Up |
| Is the sun in the middle of the diagram or does it fall on one of the sides? | It falls in the center because it is average |
| What color represents the coolest stars? | Red |
| What color represents the hottest stars? | Blue |
| What is the suns brightness and temperature compared to other stars? | Average |
| What 3 types of stars are categorized | Main sequence, super giant, and white dwarf |
| 90% Of the stars are in this life cycle. | Main sequence. |