Star Life Cycle
main sequence
Where are stars born?
What color of light is our sun actually sending out?
white light
True or false: our sun has the highest ABOSOLUTE magnitude
FALSE
As galaxies move away from us, they appear _______ shifted.
red
After a supernova, a massive star will either become a black hole or a _________
neutron star
After forming a planetary nebula, a small to medium sized star will become a _________
white dwarf
What color of star is actually the hottest??
blue
Stars that appear this color also have the lowest temperature
red
What type of galaxy is the milky way?
Spiral
When a small-medium sized star has finally burned out and no longer gives off light, we call it a __________
black dwarf
After main sequence, a massive star will become a __________
super giant
What star do we use to compare the brightness of other stars?
our sun!
a main sequence star is made of what two elements?
hydrogen and helium
a light year is a measure of __________
distance
What is the driving force that pulls everything together out in space?
gravity
Heavier elements like ___________ form inside massive stars as they start to collapse on themselves.
Uranium, nickel, gold, iron
When a star has lots of lines shifted TOWARDS the blue/purple end, is the star moving towards us or away from us?
TOWARDS US
brightness of a star depends on __________ & _________
size and temperature
What is our closest neighboring galaxy?
andromeda
What fuel is our sun currently burning?
helium!
What factor determines how long a star will live?
mass
What can we learn about a star from it's color?
Temperature, elements, direction it is moving
_______ is the apparent change in an object’s position when you look at it from different places.
paralax
What is the name of the telescope that took the first deep field images?
Hubble!