click below
click below
Normal Size Small Size show me how
Hertzsprung Russell
studying
| Question | Answer |
|---|---|
| White dwarf stars are extremely _____, and typically _____/____ in temperature. | Dim; Average/Hot |
| ______ _ is a white star that is much more dim, but hotter than the Sun. | Sirius B |
| Main sequence stars can range from ___ and bright, to cool and ___. | Hot; Dim |
| What color shows a star is at the hottest temperature? | Blue |
| What color shows a star is at the lowest temperature? | Red |
| A white dwarf is formed when a ___ ____ star has exhausted its fuel and lost its outer layers. | Low mass |
| __% of known stars are in the main sequence stage of their life cycles. | 90% |
| The Hertzsprung Russell Diagram is a chart that graphs a stars __________ and ___________. | Brightness and temperature |
| Giant stars are typically ______ than stars that are average in brightness. | Cooler |
| Brightness increases as you move towards the top of the HR Diagram. T or F? | True |