The Sun
Stars
Life Cycle of Stars
Groups of Stars
The Expanding Universe
100
Energy from the Sun comes from _________.
What is hydrogen fusion
100
You find the Sun on the _______ of HR diagram.
What is main sequence?
100
A baby star is called a ________.
What is Protostar?
100
The three basic types of star clusters
What are open clusters, associations, and globular clusters?
100
"The speed at which a galaxy is moving away is proportional to its distance from us".
What is "Hubble's Law"?
200
The two forces in balance to keep the Sun alive
What is outward thermal pressure and inward gravity?
200
The Hottest stars are __________; and the coolest stars are ________. (Hint: colors).
What are blue, red?
200
A dying star surrounded by a giant cloud of gas called __________.
What is Planetary Nebula?
200
The types of clusters that are older, smaller, and spherical
What is gobular clusters?
200
Evidence of a star moving away
What is "red shift"?
300
Two ways energy moves through the Sun
What is radiation and convection?
300
Life of a star depends on its ________?
What is mass?
300
Red supergiants can become a ______ or a _______.
What is a neutron star, black hole
300
The three main types of galaxies are ________.
What is spiral, elliptical, and irregular?
300
A faint distant glow found in every direction in the universe discovered by two American physicists in 1965
What is cosmic microwave background radiation
400
The very visible innermost layer of the Sun's atmosphere
What is photosphere
400
Our Sun will eventually become a _________.
What is a white dwarf?
400
________ are associated with birth and death of stars.
What is Nebulas
400
Enormous bright centers of distant young galaxies
What is Quasars
400
The two big pieces of evidence supporting "Big Bang Theory"
What are red shift and background radiation?
500
Caused by solar flares, they can disrupt radio, television, and phone signals
What is solar winds?
500
Giant stars will eventually go through an amazing __________.
What is Supernova?
500
It is fair to say "we are all made of matter ejected violently during a _________"
What is a Supernova?
500
Our galaxy's shape
What is Spiral?
500
Dark matter can be proved by
What is observing its effect on visible matter?
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