Classification of Stars - Exit Ticket - M

Front

What are the spectral classes of stars in order?

Back

OBAFGKM

Front

What does the Hertzsprung-Russell diagram graph?

Back

Stars' luminosity vs temperature.

Front

What is the absolute (magnitude) brightness of a star?

Back

The brightness of a star if all stars were the same distance from Earth.

Front

What describes stars located in area A of the H-R diagram?

Back

Bright and Hot.

Front

Which category on the H-R diagram has the majority of stars?

Back

Main Sequence.

Front

What is the definition of luminosity in relation to stars?

Back

The total amount of energy emitted by a star per unit time.

Front

What is the difference between apparent brightness and absolute brightness?

Back

Apparent brightness is how bright a star appears from Earth, while absolute brightness is its brightness at a standard distance.

Front

What type of star is found in the Main Sequence category?

Back

Stars that are in the stable phase of hydrogen burning.

Front

What are giants in the context of the H-R diagram?

Back

Large stars that are more luminous than main sequence stars but have lower temperatures.

Front

What are white dwarfs?

Back

Small, dense remnants of stars that have exhausted their nuclear fuel.