The Universe Went Bang!
Your Galactic Address (The Order of the Universe)
Light & the EM Spectrum
Stars Overview
Life Cycle of Stars
100
The Big Bang
What is the name of the theory that explains the origins and rapid expansion of the universe?
100
What is the name of the galaxy that our solar system is located in?
Milky Way Galaxy
100
What is the EM Spectrum?
The name scientists use to describe groups of radiation that come from stars.
100
Patterns of stars in the sky are called what?
Constellations
100
Stars start out their lives as part of a ___________, which is a large cloud of gas and dust.
Nebula
200
When did the Big Bang take place?
13.8 billion years ago
200
What is the name for a cluster of cluster of galaxies?
Supercluster
200
What is the only type of radiation we can see?
Visible light
200
What are two of the four ways to classify stars?
Color & Temperature, Size, Composition, Brightness
200
The earliest stage of a star's life is called a _____________.
Protostar
300
What evidence do astronomers have the the Big Bang took place?
The universe is expanding.
300
What is a light year?
The distance that light travels in a year.
300
What does a blue shift indicate about a galaxy?
It's coming closer to Earth.
300
What does nuclear fusion produce?
Heavier elements and energy
300
The sun will eventually become a _______________ and then a _____________.
Red giant; white dwarf.
400
What elements resulted from the Big Bang?
Helium and Hydrogen
400
How long does the sun's light take to reach us?
8 minutes
400
Describe the wavelength and energy level for a wave with high frequency.
Short wavelength, high energy
400
The sun is considered what type of star?
Main sequence star
400
How does a star's mass affect its lifetime?
Low mass stars live longer than high mass stars.
500
What is the relationship between the distance in space and how far back in time you see? Why?
The farther the object is in space, the farther back in time you see because it takes light time to travel over such a great distance.
500
When you are looking at an absorption spectrum, what do black lines indicate?
They show where light is being absorbed.
500
The H-R diagram shows the relationship between a star's _________ & ___________.
Luminosity and temperature
500
Compare and contrast low mass and high mass stars? *2 similarities and 2 differences
-Answers will vary-
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