Star Life Cycle
The force that pulls together matter to begin the process of forming stars
What is gravity?
This many hydrogen atoms are needed to create 1 helium atom
What is two hydrogen atoms?
This measurement is used for small astronomical distances
What is kilometers (km)?
Atoms are made up of these 3 subatomic particles
What are protons, neutrons, and electrons?
Stars are large spheres of this specific state of matter
What is plasma?
The remaining core of a planetary nebula
What is a white dwarf?
The the core of certain stars, elements can fuse up to what element?
What is Iron (Fe)?
One of this measurement is the distance between the Earth and the Sun
What is an astronomical unit (AU)?
What is 8 protons?
The innermost part of every star
What is the core?
The stage in which an object sends out shock waves after it explodes
What is a supernova?
During nuclear fusion, energy gives off what two sources of energy?
What is light and heat?
This measurement is best used to measure large astronomical distances (ex. between Earth and Proxima Centauri, the next closest star)
What are light-years?
This universe is made up of 74% of this element
What is hydrogen?
The visible part of stars you can see during a solar eclipse
What is the Corona?
Massive stars are this many times more the mass of the Sun
Massive stars die faster because they run out of this element?
What is hydrogen?
This measurement is best used for measuring extra large astronomical distances
What are parsecs (pc)
3 helium atoms fuse to create this element
What is carbon?
The process in which plants use solar radiation to convert carbon dioxide and water into food and oxygen
What is photosynthesis?
A stage in the star life cycle that only extremely small stars skip the stage of
What is a planetary nebula?
What is the nucleus?
What are 3.26 light-years?
2 oxygen atoms fuse to form this element
What is silicon?
The layer of stars where sunspots can be seen
What is the photosphere?