Life cycle of the Star
Vocabulary
Hertzsprung Russell Diagram
Black Holes
Random
100
Stars are born in these clouds of interstellar clouds
What are NEBULAE
100

How bright a star appears to be from Earth

What is APPARENT BRIGHTNESS

100
The x-axis of a Hertzsprung-Russell Diagram
What is SURFACE TEMPERATURE
100
The birth of a black hole begins with this event
What is SUPERNOVA
100
A diagram that plots stars according to luminosity and surface temperature
What is HERTZSPRUNG-RUSSELL DIAGRAM
200
Most stars spend most of their existence in this phase
What is MAIN SEQUENCE
200
The process where a star implodes as a result of its own gravity
What is GRAVITATIONAL COLLAPSE
200
The y-axis of a Hertzsprung-Russell Diagram
What is LUMINOSITY
200
The first layer of a black hole
What is OUTER EVENT HORIZON
200
The brightest known star in the night sky
What is SIRIUS
300
What happens to super massive stars when they get past the red giant phase.
What is SUPERNOVA
300
A faint star of enormous density; medium stars go to this phase after being red giants
What is WHITE DWARF
300
The color of the stars with the highest surface temperature
What is BLUE
300
A black hole's gravity is so strong that even this cannot escape
What is LIGHT
300
The mnemonic device used to remember the classification of stars
What is OH BE A FINE GUY KISS ME
400
Once enough heat and friction build up in the nebula and the star begins to spin it is in this phase
What is PROTOSTAR
400
The nuclear reaction where hydrogen turns into helium and releases energy
What is NUCLEAR FUSION
400
Most of the stars on the HR diagram are classified as this
What is MAIN SEQUENCE
400
The middle layer of a black hole
What is INNER EVENT HORIZON
400
The reason stars seem to twinkle
What is ATMOSPHERIC INTERFERENCE
500
When is the red giant phase over
What is WHEN ALL THE HYDROGEN HAS TURNED INTO HELIUM
500
The stage after supernova where a star has a very small radius and very high density
What is NEUTRON STAR
500
The factor that affects the color of a star
What is SURFACE TEMPERATURE
500
The center of a black hole
What is SINGULARITY
500
Intrinsic property of a star referred to as absolute brightness
What is LUMINOSITY
M
e
n
u