The H-R Diagram
Most stars are classified as this
What is main sequence?
Stars form out of these
What are nebulae?
The color of the hottest stars
What is blue?
betelgeuse is in this constellation
What is Orion?
The process that happens in the core of a star to produce energy
What is nuclear fusion?
Red supergiant star on the H-R diagram
What is betelgeuse?
A supermassive star turns into this when it dies in an event called a supernova
What is a black hole?
What is average?
The constellation that Polaris is in
What is Ursa Minor?
The force that creates stars by pulling gas together
What is gravity?
This is the hottest star on the H-R diagram
What is Spica
A star will evolve into its second phase of life when it runs out of this
What is hydrogen?
Another word for star brightness
What is luminosity
A pseudoscience with no measurable predictive power
What is astrology?
When a star is in its giant or supergiant phase, it begins to fuse this
What is helium?
These two supergiants have almost the same luminosity
What are betelgeuse and Rigel?
A huge area in space filled with gas
This factor increases with star size on the main sequence
What is temperatue?
The constellations that lie on the ecliptic, which is the path that the Sun takes in the sky
What is the zodiac?
A large star that burns its fuel quickly will have this kind of life
What is short?
As the Sun goes through its life cycle it will move on the H-R diagram. This describes how it will move over time.
What is up to the reg giants and then down to the white dwarves?
This will be the last stage of the life cycle of our Sun
What is a white dwarf?
This factor determines how long a star's life will be
What is its original mass?
This type of constellation can always be seen from one hemisphere because it is always above the horizon at night.
What is circumpolar?
This process releases heavy elements like metals into the universe
What is a supernova?