Life Cycle of a Star

Front

The longest period of a star’s life is called...

Back

Main Sequence

Front

What stage in a star's life cycle is described by gravity pulling gases and dust particles toward one another, squeezing them into a smaller space, leading to nuclear fusion of hydrogen?

Back

The birth of a star

Front

Hotter stars appear to be what color?

Back

Blue

Front

Cooler stars appear to be what color?

Back

Red

Front

What determines the color of a star?

Back

It's temperature

Front

A star at the stage in its life cycle when it stops burning hydrogen, begins burning bigger elements, and grows much bigger to a large, low-density star. What stage in the life cycle does this describe?

Back

Red Giant or Red Supergiant

Front

What fuel do stars use? Options: Oxygen, Hydrogen, Carbon, Iron

Back

Hydrogen

Front

In a large mass star, the temperature reaches more than 100 billion degrees. The repulsive forces between the iron nuclei cause a massive explosion sending the star’s mass into space in a ....

Back

Supernova

Front

Larger stars (stars with more mass) have a longer life cycle. True or False?

Back

False

Front

A relatively small, dense star at the end of its life cycle, which generates little energy creating a faint white light and has contracted to its densest state. What stage in the life cycle does this describe?

Back

White Dwarf