Show:
TELESCOPES
CHARACTERISTICS of STARS
LIVES OF STARS
STAR SYSTEMS AND GALAXIES
EXPANDING UNIVERSE
100
This is the distance between the crest of one wave and the crest of the next wave.
What is a wavelength/?
100
These are patterns of stars in the sky.
What are constellations?
100
This is the name for the earliest stage in a star's life.
What is a protostar?
100
This is a huge group of single stars, star systems, star clusters, dust and gas.
What is a galaxy?
100
Hubble's law states, the farther away a galaxy is, this is true.
What is the faster it is moving away from Earth?
200
A building that has one or more telescopes.
What is an observatory?
200
this device is used by astronomers to discover the elements found in stars.
What is a spectrograph?
200
The lifetime of a star depends on this.
What is its mass?
200
The name for a young galaxy with giant black holes at their centers.
What is a quasar?
200
Most astronomers think that in the future this will happen to the universe.
What is continue to expand?
300
This type of telescope focus light through lenses.
What is a refracting telescope?
300
This is the name for a star's brightness as seen from Earth.
What is apparent 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
The universe began with an explosion that is called by this name.
What is the big bang?
400
This is the name for the light you can see.
What is visible light?
400
This is the name of the graph created to determine the brightness of stars.
What is the Hertzsprung-Russel/H-R diagram?
400
This is the name for a spinning neutron star.
What is a pulsar?
400
The Milky Way is this type of a galaxy.
What is a spiral or possibly barred spiral galaxy?
400
We used raisin bread to illustrate this concept of the universe.
What is expanding universe?
500
A binary star system in which one star occasionally blocks the light of the other goes by this name.
What is an eclipsing binary?
500
This is used by astronomers to measure distances to nearby stars.
What is parallax?
500
This diagonal group of stars on the H-R/Hertzsprung-Russell Diagram goes by this name.
What is the Main Sequence?
500
Any star system with two stars would go by this name.
What is a binary star system?
500
Astronomers think that most of the universe is made of these two items.
What is dark matter and dark energy?