Are supergiants the most massive stars in the solar system?
T/F
True
100
What does the H-R diagram measure?
luminosity and temperature
100
Where do stars form?
nebula
200
What is the last life stage of a low mass star?
white dwarf
200
What is one end stage of a high mass star?
black hole
neutron star
200
What stars turn into supergiants?
high mass stars
200
What part of the diagram are the stars in when they are in the Main-Sequence?
a. middle
b. top
c. bottom
middle
200
the sun has kept its constant size for 5 billion years by the opposing forces of these 2 things.
outward force from energy in the core and force of gravity on the outside
300
What is the luminosity of a white dwarf?
dim
300
What is the luminosity of high mass stars
high
300
How many colors can supergiants be?
2 Red and Blue
300
When stars are on the left side of the diagram are they hot or cold?
hot
300
The white dwarf is made of the previous stars core.
T/F
True
400
The hottest layer of our sun, about 15,000,000 K.
core
400
What gas primarily burns in high mass stars?
hydrogen
400
The presence of this element signals a supergiants death.
a. iron
b. nickel
c. oxygen
d. carbon
a iron
400
Are stars above the Main-Sequence in the last stages of their lives?
T/F
false
400
The onset of this process marks the birth of a star.
What is fusion.
500
In how many years will the sun be a red giant?
a. 3 billion
b. 7 billion
c. 10 billion
d. 5 billion
D. 5 billion
500
Which ages more rapidly? A low mass or a high mass star?
High mass
500
What 2 things can a super giant turn into once it has run out of fuel?
What is a black hole or a neutron star.
500
List the colors in order from hot to cold
blue
white
yellow
orange
red
500
What are all the stages in a stars life in order for a low AND a high mass star?
low mass- nebula, protostar, main sequence star, red giant, white dwarf
high mass- nebula, protostar, super giant, supernova, black hole OR neutron star