Physical properties of stars

Match it! Select the correct answer from the pull down...Good luck!

Many stars are classified in terms of brightness, or

Many of the stars we see in the night sky are called blue giants. They put out more energy and burn millions of times brighter than the Sun. Why does the Sun appear much larger and brighter from Earth than blue giant stars?

The process that fuels a star is BEST described as

A ___ star has a greater temperature than a ___ star.

Scientists classify stars by colors: white, red, blue. The color of a star helps to tells us how ________ the star is.

Luminosity is the amount of energy emitted by a star each second. Stars radiate light over a broad range of frequencies in the electromagnetic spectrum, from the low energy radio waves to high energy gamma rays. The luminosity of a star depends on tw

Star light, star bright: how bright a star appears to us on Earth depends MAINLY on

Our sun is