Life Cycle of Stars 24

Front

What is the stage called when a massive star explodes and releases a lot of energy?

Back

Supernova

Front

Which star has the lowest absolute magnitude?

Back

D

Front

What is a big cloud of dust and gas where all stars begin their life cycle called?

Back

Nebula

Front

What type of electromagnetic radiation has frequencies higher than ultraviolet rays?

Back

X-rays

Front

What is the correct order of the life cycle of our sun?

Back

Yellow star, red giant, white dwarf

Front

What is a nebula?

Back

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

Front

What is a supernova?

Back

A powerful and luminous explosion of a star, marking the end of its life cycle.

Front

What is the difference between a red giant and a yellow star?

Back

A red giant is a later stage in a star's life cycle, characterized by expansion and cooling, while a yellow star is in the main sequence phase.

Front

What happens to a star after it becomes a white dwarf?

Back

It gradually cools and fades over time.

Front

What is the significance of absolute magnitude in astronomy?

Back

Absolute magnitude measures the intrinsic brightness of a star, allowing for comparison regardless of distance.