Stars

Front

What are the primary elements that most stars are made of?

Back

Hydrogen and Helium

Front

What is the name of the gas/dust clouds that form stars?

Back

Nebulas

Front

What star is about 6,000 degrees K, more massive than the sun, and around 3,000 times brighter?

Back

Polaris

Front

Which characteristic is NOT used to classify stars?

Back

Shape

Front

What process produces the energy a star emits?

Back

Fusion

Front

What is a Nebula?

Back

A large cloud of gas and dust in space, where stars are born.

Front

What is the difference between a Protostar and a Star?

Back

A Protostar is an early stage of star formation, while a Star is a fully formed celestial body that emits light.

Front

What is Luminosity?

Back

The total amount of energy emitted by a star per second.

Front

What is the significance of a star's color?

Back

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

Front

What is a Supernova?

Back

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