Stars

Front

What does the H-R diagram represent in relation to stars?

Back

The H-R diagram is a graph that shows the relationship between temperature and brightness for stars.

Front

Define a star.

Back

A star is a large celestial body that is composed of gas and emits light.

Front

What are the primary elements that most stars are composed of?

Back

Most stars are primarily composed of Hydrogen and Helium.

Tags

NGSS.HS-ESS1-3

Front

Who is the professional that studies stars?

Back

An astronomer is the professional who studies stars.

Tags

NGSS.HS-ESS1-1

Front

What color of star is considered the hottest?

Back

The hottest stars are blue.

Front

What is the significance of the temperature in the H-R diagram?

Back

Temperature is a key factor in determining a star's position on the H-R diagram, influencing its brightness and color.

Front

How does the brightness of a star relate to its temperature?

Back

Generally, hotter stars are brighter, and this relationship is depicted in the H-R diagram.

Front

What are the stages of a star's life cycle?

Back

The stages of a star's life cycle include nebula, main sequence, red giant, and supernova or white dwarf.

Tags

NGSS.HS-ESS1-1

Front

What is the main sequence phase of a star?

Back

The main sequence phase is the longest stage in a star's life cycle where it fuses hydrogen into helium in its core.

Tags

NGSS.HS-ESS1-1

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion that occurs at the end of a star's life cycle.