HR diagram and Cosmos

Front

How many stars are in our Solar System?

Back

One

Front

The ______ of a star determines its life cycle.

Back

mass

Front

The Hertzsprung-Russell diagram graphs stars' luminosity and ....

Back

temperature

Front

Light emitted from a star or galaxy can be separated into a band of colors, called a ________.

Back

Spectrum

Front

The force that governs the motion of our solar system.

Back

Gravity

Front

What is the Hertzsprung-Russell diagram used for?

Back

It is used to classify stars based on their luminosity and temperature.

Front

What does a star's color indicate?

Back

A star's color indicates its temperature; blue stars are hotter, while red stars are cooler.

Front

What is the main component of stars?

Back

Hydrogen, which undergoes nuclear fusion to produce energy.

Front

What is a supernova?

Back

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

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates energy through nuclear fusion.