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 are the stages of a medium size star
100
Huge, arching columns of gas between the magnetic field of sunspots on the Sun.
What is are Solar Flares
100
Our galaxy is an example of.
What is spiral galaxy?
100
Two main features of the universe.
What are star systems and galaxies?
200
The property of a star that measures the energy it produces
luminosity
200
This stage occurs when the core of a medium size star has fused all of its hydrogen into helium.
What is a giant?
200
The number of miles from the Sun to Earth
93 million
200
How many stars are found in a galaxy
Billions
200
How old the Universe is
13.7 billion years
300
The most common elements in which stars are composed of.
What are hydrogen and helium?
300
The one factor that determines the outcome of a star's life cycle.
What is starting mass?
300
Temporary regions in the Sun's surface that are cool.
What are sunspots?
300
The name of our galaxy
Milky Way
300
How we see Andromeda.(2 million light years away)
As it was 2 million years ago
400
the diagram that measures temperature and luminosity of a star
HR diagram
400
The joining of two nuclei of hydrogen atoms to form helium with extreme amounts of energy being released.
What is nuclear fusion?
400
size Star of the sun
What is Medium-size?
400
A group of Galaxies
Superclusters
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 unit used to measure the distance between stars.
What is a light year?
500
Nebula, main sequence, Supergiant, Supernova, Neutron Star
What is the life cycle of a Massive Star
500
How much longer the Sun has till it becomes a Giant star?
5 billion years
500
The three types of galaxies
Spiral Irrelgular Elipictal
500
two ideas of how the universe began
steady state theory oscillating model (big bang theory)
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