Types of Stars
Most massive and luminous stars
Super Giant
This constellation is named after the winged horse in greek mythology
Pegasus
The hottest stars are...
Blue
What is the Doppler Effect?
An increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other.
How do you measure stellar brightness?
By using the magnitude scale
Neutron star
Constellation in the northern sky, contains the asterism of the Big Dipper
The coolest stars are...
Red
When an automobile moves towards a listener, the sound of its horn seems relatively what pitch?
High pitch
What factors affect the brightness of a star?
Its luminosity and its distance from Earth
The stage stars spend the most time in
Main sequence
This constellations name means "The Oxen Driver"
Bootes
What does the temperature indicate?
How much energy a given area of the star's surface radiates
When the automobile moves away from the listener, its horn seems relatively what pitch?
Low pitch
Does size affect the brightness of a star?
Yes
A stellar core remnant composed mostly of electron degenerate matter, very dense, low luminosity
White dwarf
One of the constellation of the zodiac. Represented in the form of a sea goat
Capricornus
Younger stars appear what color?
Blue
The changed pitch of the Doppler effect is due to changes in what
wave frequency
What does a star's brightness depend primarily on?
radius and temperature
When a star runs out of hydrogen fuel in it's core
Red giant
This constellation sits near the center of the milky way
Scorpius
Older stars appear what color?
Red
What causes the Doppler Effect?
The movement of a wave source
What are three factors that influence brightness?
how big it is, how hot it is, and how far away it is