Exploring the Sun and Stars

Front

What is a supernova?

Back

The explosion of a star at the end of its life cycle.

Front

What primary factor determines whether a star will become a supernova?

Back

Its mass.

Front

What type of land surface absorbs the most insolation?

Back

Dark-colored and rough surfaces.

Front

Why does Polaris not appear to move in the night sky?

Back

Because Polaris is located above Earth’s axis of rotation.

Front

How do the planets beyond Mars compare to those closer to the Sun in terms of rotation periods?

Back

They have shorter periods of rotation.

Front

What is insolation?

Back

Insolation is the amount of solar radiation received by a surface.

Front

What is the life cycle of a star?

Back

A star's life cycle includes stages such as nebula, main sequence, red giant, and supernova.

Front

What is the significance of a star's mass in its life cycle?

Back

A star's mass determines its temperature, luminosity, and the type of supernova it may become.

Front

What is the role of nuclear fusion in stars?

Back

Nuclear fusion is the process that powers stars, converting hydrogen into helium and releasing energy.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates energy through nuclear fusion.