Advisory - HR Diagram

Front

What category is our Sun located in?

Back

Main Sequence

Front

What is the best description of a super giant star?

Back

Cool and very bright

Front

What is the spectral class of a star with a temperature of 40,000?

Back

Spectral Class O

Front

What is the spectral class of Alcor, which has a temperature of 11,000?

Back

Spectral Class A

Front

What is the formation of a star also known as?

Back

Nebula

Front

What are the main characteristics of a Main Sequence star?

Back

They are in a stable phase of hydrogen burning, have a wide range of temperatures and luminosities.

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion of a star, marking the end of its life cycle.

Front

What is the difference between a giant star and a supergiant star?

Back

Giant stars are larger than Main Sequence stars but smaller than supergiants, which are among the largest stars in the universe.

Front

What does the term 'spectral class' refer to?

Back

Spectral class categorizes stars based on their temperature and the characteristics of their light spectrum.

Front

What is a nebula?

Back

A nebula is a giant cloud of dust and gas in space, often the birthplace of stars.