Galaxies
Life cycle of stars
Stars
Formation of the universe
h-r digaram
100
What are large groups of stars,dust and gas
What is galaxies
100
What star expands and cool when it loses all hydrogen
What is red giant
100
A rainbow of colors when you look through a glass prism
What is spectrum
100
The study of the origin,structure and future of the universe
What is cosmology
100
Who compared the brightness and temperature on a graph
What is ejnar hertzSprung
200
What are large clouds of gas and dust
What is nebulas
200
What is a small white hot star that is leftover of an older star
What is white dwarf
200
What does a hot solid object give off
What is continuous spectrum
200
The theory that the universe began with a Big Bang
What is the Big Bang theory
200
What is along the bottom of the diagram
What is temperature
300
What is a group of older stars called
What is globular clusters
300
What is an h-r diagram
What is it shows the relationship between stars surface temperature and absolute magnitude
300
Astronomers use an instrument called what to break a stars light into spectrum
What is spectrograph
300
Radiation left over from the Big Bang
What is cosmic background radiation
300
What is on the left side of the diagram
What is hot blue stars
400
What are groups of closely grouped stars called
What is open clusters
400
What is a gigantic explosion in which a massive star collapse
What is supernova
400
The brightest stars in are what magnitude
What is first
400
One way to calculate a galaxies age is to
What is measure the distant from earth to the galaxy
400
What type of stars are at the top of the diagram
What is brightest and hottest
500
What are starlike sources of light called
What is quasars
500
If a neutron star is spinning what's it called
What is pulsar
500
The dimmest stars have what magnitude
What is sixth
500
As galaxies move further apart they get what
What is older
500
A star spends most of its life as what type of star
What is main sequence
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