Life Cycle of Stars
Cards (31)
- What is the initial stage of a star's life cycle called?
- What force pulls dust and gas together to form a protostar?
- What happens to a protostar as more particles collide with it?
- What effect does gravity have on the density of a protostar?
- What occurs when the temperature inside a protostar rises due to particle collisions?
- What is the process called when hydrogen nuclei fuse to form helium nuclei?
- What is a main sequence star?
- What balances the outward pressure from nuclear fusion in a main sequence star?
- How long can a main sequence star remain stable?
- What happens when a star runs out of hydrogen?
- What occurs when the inward pressure of gravity takes over in a star?
- What elements can be formed during nuclear fusion after hydrogen is exhausted?
- What type of star forms from a small to medium star after hydrogen is exhausted?
- What type of star forms from a really big star after hydrogen is exhausted?
- What happens to a red giant after a relatively short time?
- What is the core of a red giant called after it expels its outer layers?
- What happens to a white dwarf over time?
- What do we call a white dwarf that no longer emits light?
- What happens to a red supergiant after several cycles of expansion and contraction?
- What elements are formed during a supernova?
- What forms after a supernova if the star was very big?
- What forms after a supernova if the star was absolutely massive?
- Why are black holes called "black holes"?
- What are the stages of a star's life cycle?
- What is the main sequence star stage characterized by?
- What is the relationship between a star's size and its life cycle outcome?
- How does the life cycle of a red giant differ from that of a red supergiant?
- What is the final stage of a white dwarf?
- What happens to the core of a red giant after it expels its outer layers?
- What is the fate of a neutron star after a supernova?
- How do the processes of nuclear fusion differ in red giants compared to main sequence stars?