Stars
Star Life Cycles
The Sun
Galaxies
The Universe
100
The property of stars that scientists use to determine the temperature of a star.
What is color?
100
Nebula, _______, main sequence, giant, and then finally white dwarf. What stage is missing?
What is protostar?
100

Huge, arching columns of gas that explode for thousands of miles out of the sun.

What is a prominence/solar flare?

100
The oldest and largest type of galaxy.
What is elliptical?
100
Groups of galaxies are known as _________.
What are clusters?
200

Three things that determine how bright stars appears to us.

How close, how big, how hot

200

This stage occurs when the core of a large mass star has used all of its hydrogen. The star expands into this.

What is a red super giant?

200
The layer of the sun where fusion occurs.
What is the core?
200
What is thought to be at the center of spiral galaxies.
What is a black hole?
200
This is a group of stars that form a pattern.
What is a constellation?
300

The closest star to our solar system other than our sun.

What is Proxima Centauri?

300
The one factor that determines the length of a stars life and how it will die.
What is starting mass?
300
Temporary regions in the Sun's surface that are cool.
What are sunspots?
300
This is the youngest and smallest type of galaxy.
What is an irregular galaxy?
300
The universe contains millions, billions, or trillions of stars.
What is trillions?
400
This is the actual amount of light a star gives off.
What is absolute magnitude?
400
The joining of two nuclei of hydrogen atoms to form helium which powers stars.
What is nuclear fusion?
400

The gaseous, hazy outer layer of the sun similar to an atmosphere/the sun's halo.

What is the corona?

400
This is the closest large galaxy to ours
What is Andromeda?
400
An explanation that states all matter and energy exploded from one point and has been expanding apart ever since.
What is the big bang theory?
500
The method used to measure the distance of stars close to Earth by viewing the star from different locations and measuring the shift.
What is parallax?
500
The three things produced when a large mass star dies.
What are supernova, neutron star, and black hole?
500
Give three ways to describe out sun.
What is a yellow dwarf, average size, average temperature, and middle aged?
500
The force that is responsible for creating stars and galaxies.
What is gravity?
500
The diagram that shows the relationship between stars temperature and their brightness.
What is the Hertzsprung-Russell diagram?
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