Star life cycle
True or false, The stellar nebula is the main area that stars go after developing from a protostar
False
True or false: yellow stars are cooler than white stars.
True
True or false: If stars are bigger, they will appear brighter to the human eye.
True
What star becomes a planetary nebula?
The Red giant.
What are blue stars' temperatures?
25,000 K or more!
Which star appears brighter, Spica or Nigel?
Nigel
Why does one star's lifecycle differ from another star's lifecycle?
Because the larger the star's mass, the shorter it's lifespan.
How do scientists measure the temperatures of stars?
surface temp. (K)
Which star is less bright, the Beteguese or the sun?
The Sun
Where does the Planetary Nebula go in the lifecycle?
second to last step.
Name three elements Class F white stars are made of.
Hydrogen, ionized sodium, and calcium, neutral sodium, and calcium.
Which star is brighter, Polaris or Procyon B?
Polaris
In what order is the life cycle for a massive star?
Stellar nebula, Massive star, Red supergiant, supernova, then it turns into either a Neutron star or a Black hole.
The order of temperature in color from hottest to coldest is?
Blue, White, Yellow, and Red.
Which order, from least bright to brightest are the stars?
Proxima Centauri, Procyon B, Sun, Sirka, Polaris, Spica, Nigel, and Betelgeuse.