Show:
TELESCOPES
CHARACTERISTICS OF STARS
LIVES OF STARS
STAR SYSTEMS AND GALAXIES
EXPANDING UNIVERSE
100
The distance between the crest of one wave and the crest of the next wave.
What is wave length?
100
A pattern of stars in the night sky.
What is a constellation?
100
The earliest stage in a star's life.
What is protostar?
100
A huge group of single stars, star systems, star clusters, dust and gas.
What is a galaxy?
100
The law that says "The farther away a galaxy is, the faster it is moving away from Earth."
What is Hubble's Law?
200
A building that has one or more telescopes
What is an observatory?
200
Used by astronomers to measure distances to nearby stars.
What is parallax?
200
This characteristic determines how long a star will live.
What is a star's mass?
200
Young galaxies with giant black holes at their centers.
What are quasars?
200
Astronomers think that this will happen to the universe in the future .
What is continue to expand?
300
This type of telescope focuses light through lenses.
What is a refracting telescope?
300
The brightness a star would have if it were at a standard distance from the Earth.
What is absolute brightness?
300
An object with gravity so strong that no light can escape.
What is a black hole?
300
This type of galaxy looks like a round or flattened ball.
What is an elliptical galaxy?
300
Our universe began with this type of explosion.
What is the big bang?
400
A device used by astronomers to discover the elements found in stars.
What is a spectrograph?
400
The diagram used to classify stars by their brightness and color.
What is the Hertzsprung-Russell Diagram?
400
A spinning neutron star.
What is a pulsar?
400
The Milky Way is this type of a galaxy.
What is a spiral galaxy?
400
Astronomers believe that most of the universe is made of these 2 things.
What is dark energy and dark matter?
500
The light we see goes by this name.
What is visible light?
500
The diagonal line of stars in the Hertzsprung-Russell Diagram?
What is the main sequence?
500
On the Hertzsprung-Russell Diagram, the brightest stars are located here.
What is the top of the diagram?
500
A star system made up of 2 stars.
What are binary stars?
500
All of space and everything in it.
What is the universe?