Unit 5 Notebook Flashcard Arnold

Front

What kind of star is our Sun?

Back

Main Sequence

Front

What is an Elliptical Galaxy?

Back

A type of galaxy that is shaped like an elongated sphere and has older stars with little gas and dust.

Front

What is the reason Earth revolves around the Sun?

Back

The Sun's Gravity.

Front

Where is our solar system located in the Milky Way Galaxy?

Back

On a spiral arm.

Front

What is the next stage after Main Sequence for a small/medium-sized star like our Sun?

Back

Red Giant.

Front

What is a Spiral Galaxy?

Back

A type of galaxy characterized by its spiral shape, containing young stars, gas, and dust.

Front

What is a Black Hole?

Back

A region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is the Milky Way Galaxy?

Back

The galaxy that contains our solar system, characterized by its spiral shape.

Front

What is a Red Supergiant?

Back

A very large star that is in the late stages of stellar evolution, much larger than the Sun.

Front

What is the difference between a Main Sequence star and a Red Giant?

Back

Main Sequence stars are in a stable phase of fusion, while Red Giants have expanded and cooled after exhausting their hydrogen fuel.