Vocabulary
Stars
Solar System
Universe
Misc
100
a unit of measurement used to measure distances in space
What is a light year?
100
the color of the hottest stars
What is blue?
100
the force that holds the planets in orbit
What is gravity?
100
the unit for measuring distances in the universe
What is a light year?
100
the two main elements in stars
What are Helium and Hydrogen?
200
The way electromagnetic energy travels in space
What are waves?
200
the other factor besides size that determines the brightness of a star in the night sky
What is the distance of the star from Earth?
200
one
How many stars are in our solar system?
200
a collection of stars, dust, and gas bound together by gravity
What is a galaxy?
200
the stage in stellar evolution that precedes a main sequence star
What is a red giant?
300
microwaves, radio waves, and x rays are examples
What is electromagnetic energy?
300
the stage of stellar evolution that the sun is experiencing right now
What is main sequence?
300
instrument used to determine what elements are in a star
What is a spectroscope?
300
the largest of star, galaxy, solar system, or planet
What is a galaxy?
300
Distances within our solar system are measured in light years. True or false
What is false?
400
another word for brightness or luminosity
What is magnitude?
400
can be created from the death of a super giant star
What is a black hole?
400
light waves travel fastest here
What is empty space?
400
a theory that says that the universe was created from an explosion of a small dense mass
What is Big Bang?
400
this celestial body causes the tides on Earth
What is the moon?
500
the name of the plot of surface temperatures of stars against their absolute magnitude
What is the H-R diagram?
500
the last stage in the life of a star
What is a white dwarf?
500
The moon does not rotate on its axis. True or false
What is false?
500
characteristics of stars include
What are color, brightness, and temperature?
500
the unit used to measure distances within our solar system
What is an astronomical unit?
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