The property of stars that scientists use to determine the temperature of a star.
What is color?
100
Nebula, then protostar, main sequence, giant, and then finally white dwarf
What are the stages of a low mass star?
100
Huge, arching columns of gas between the magnetic field of sunspots on the Sun.
What is a prominence?
100
A type of galaxy with new stars.
What is spiral galaxy?
100
Two main features of the universe.
What are star systems and galaxies?
200
The method used to measure the distance of stars close to Earth by viewing the star from Earth's location at one time during the year and then six months later.
What is parallax?
200
This stage occurs when the core of a star has fused all of its hydrogen into helium.
What is a giant?
200
The layer of the sun next to the core.
What is the radiation zone?
200
A type of galaxy with older stars.
What is elliptical galaxy?
200
This is used to determine the motion of stars and galaxies.