Unit 5 Review - Universe

Front

Where is Earth located in the Milky Way?

Back

Earth is located in one of the spiral arms called the Orion Arm.

Front

What determines the final outcome of a star?

Back

The final outcome of a star is determined by its initial mass.

Front

What type of star is the Sun?

Back

The Sun is classified as a Main Sequence star.

Front

How does the surface temperature of white dwarf stars compare to red supergiants?

Back

White dwarf stars have a higher surface temperature than red supergiants.

Front

What does the Hertzsprung-Russell diagram illustrate?

Back

The Hertzsprung-Russell diagram illustrates the relationship between the luminosity and temperature of stars.

Front

What is a Main Sequence star?

Back

A Main Sequence star is a star that is in the stable phase of hydrogen burning in its core.

Front

What is a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a low to medium mass star after it has exhausted its nuclear fuel.

Front

What is a red giant?

Back

A red giant is a late stage in the life cycle of a star, characterized by a large size and a reddish color due to cooler temperatures.

Front

What is the significance of a star's initial mass?

Back

A star's initial mass determines its life cycle, including its evolution, final state, and whether it will become a supernova.

Front

What are the characteristics of a supergiant star?

Back

Supergiant stars are extremely large and luminous stars that have a short lifespan and can end in a supernova explosion.