Telescopes
Characteristics of Stars
Lives of Stars
Star Systems and Galaxies
The Expanding Universe
100
What is a building that contains one or more telescopes?
Observatory
100
What reveals a stars surface temperature?
Color
100
What determines how long a star lives?
Mass
100
What are star systems with two stars?
Binary Stars
100
What was the initial explosion that caused the formation of our universe
Big Bang
200
What is the light that you see with your eyes?
Visible Light
200
What is the amount of light that a star gives off?
Brightness
200
What is the explosion of a high massed star?
Supernova
200
What is a large grouping of mostly older stars?
Globular clusters
200
What is the radiation left over form the Big Bang?
Cosmic Background Radiation
300
What is energy that can travel through space in the form of waves?
Electromagnetic Radiation
300
What are imaginary patterns of stars?
Constellations
300
What is the a contracting cloud of gas and dust with enough mass to form a star?
Protostar
300
What type of galaxy looks like a round of flattened ball?
Elliptical Galaxy
300
What is a huge group of single stars, star system, star clusters, dust, and gas bound together by gravity?
Galaxy
400
What is a piece of transparent glass, curved so taht the middle is thicker than the edges?
Convex lens
400
What is a light-year?
The distance that light travels in one year.
400
What is the name of the galaxy that our solar system is located in?
Milky Way
400
What are young active galaxies with a giant black hole at their center?
Quasars
400
What is matter that doesn't give off electromagnetic radiation?
Dark Matter
500
What type of telescope is the Hubble Telescope?
Reflecting Telescope
500
What is the brightness the star would have if it were at a standard distance from earth?
Absolute Brightness
500
What are the three different types of galaxies?
Spiral, elliptical, and irregular
500
Why do astronomers use scientific notation?
The numbers they use are often very large or very small.
500
How long do they believe that our universe formed?
13.7 billion years ago
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