Star Flashcard

Front

What determines the color of a star?

Back

The temperature of the star determines its color.

Front

What type of galaxy has no defined pattern or shape?

Back

An irregular galaxy has no defined pattern or shape.

Front

What process combines two Hydrogen atoms into one Helium atom?

Back

Nuclear fusion is the process that combines two Hydrogen atoms into one Helium atom.

Front

What is the stable period of a star’s life cycle called?

Back

The stable period of a star’s life cycle is called the Main Sequence.

Front

What type of galaxy is characterized by spiral arms?

Back

A spiral galaxy is characterized by spiral arms.

Front

What is the main component of stars?

Back

The main component of stars is Hydrogen.

Front

What is a nebula?

Back

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

Front

What is the life cycle stage after a star exhausts its nuclear fuel?

Back

After exhausting its nuclear fuel, a star may become a red giant or a supernova.

Front

What is a neutron star?

Back

A neutron star is the remnant core of a massive star after a supernova explosion.

Front

What is the difference between a spiral and elliptical galaxy?

Back

A spiral galaxy has a flat, rotating disk with arms, while an elliptical galaxy is more rounded and lacks distinct features.