Life cycle of a star/HR diagram

Front

What stage is our sun currently in?

Back

Main Sequence

Front

How can stars in the top left of the HR Diagram be described?

Back

Blue, hot, and bright

Front

Which star is cooler: Polaris or Regulus?

Back

Polaris

Front

What is a 'baby' star that is still gathering mass in a Nebula and has not begun fusion called?

Back

Protostar

Front

Which star is dimmer: Deneb or Mira?

Back

Mira

Front

What is the main sequence in the life cycle of a star?

Back

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

Front

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

Back

The stages include Nebula, Protostar, Main Sequence, Red Giant/Supergiant, and White Dwarf/Neutron Star/Black Hole.

Front

What is the significance of the HR Diagram in understanding stars?

Back

The HR Diagram plots stars based on their luminosity and temperature, helping to classify them and understand their life cycles.

Front

What type of star is typically found in the lower right of the HR Diagram?

Back

Red dwarfs, which are cooler and less luminous than other stars.

Front

What happens to a star after it exhausts its hydrogen fuel?

Back

It expands into a Red Giant or Supergiant, depending on its mass.