Birth
What is star formed of?
Formed by clouds of gas and dust
What is the Star's heat source?
Hydrogen & Helium
What star has a shorter life?
Larger stars
What does the star fuse to prevent from collapsing?
Helium molecules in its core
Can light escape from a black hole?
No
What is closest to a star to our galaxy?
The sun
What happens when the star glows red?
The hydrogen shell expands
How is a star's mass determined?
By the amount of matter that is available in the nebula.
What appears in the core?
Iron
If a star has no heat source what will happen to it?
It will become unstable
What stars live longer?
The Smaller Stars
What is the star busy doing?
Putting hydrogen into helium
What is the nebula made of?
A giant cloud of gas and dust
What happens when the core runs out of hydrogen?
The star will contract under the weight of gravity
If a star makes a lot of energy what will happen to it?
It will shine for many years.
What are the colors of a star?
Red, White, Blue, Purple Yellow, Orange
What happened if the star runs out of energy?
The star won’t have a heat source
What is the word Matter used for?
Anything that contains mass
What is a supernova?
The brightest explosion in the universe.
What is ZAMS?
zero-age main sequence
What changes in stars over time?
Color, Size, and Brightness
What is the star called while shedding?
A white dwarf
What percentage of a star´s life burn off hydrogen into helium?
90%
What size will the core shrink to?
The size of earth
How long until the sun will explode?
5 billion years