Birth of a Star
What is hydrogen and helium?
True or False: Lower apparent magnitude: fainter star
What is false
The property that determines a star's fate
What is mass
What is infinite
Describe the entire life cycle of the sun
Nebula - protostar - main sequence - red giant - planetary nebula - white dwarf - black dwarf
The process that will last a star's entire remaining lifespan once started
What is nuclear fusion
This property of a star determines brightness, colour, lifespan, and size
What is mass
The difference between the death of a massive and a supermassive star
What is that massive stars become neutron stars and supermassive stars become black holes
The process that begins a supernova
What is an implosion
The cause of the stabilization of a star's size
What is the gravitational force matching the heat of nuclear fusion
The four clusters in the Hertzsprung-Russell Diagram
What are the main-sequence, supergiants, white giants, and dwarves
What is ten billion years
The reason why supermassive stars are rare
What is because larger stars burn faster
The critical temperature at which a star will enter nuclear fusion when on Earth
What is 1.5x10^8°C
The full names of the two people that created the H-R diagram
Who is Ejnar Hertzsprung and Henry Norris Russell
The maximum size of a medium star in comparison to the sun
What is 1.5 times the mass of the sun
The material that a core is composed of right after a supernova
What is iron
The name of the barrier that causes the repulsion between two hydrogen nuclei during nuclear fusion
What is Coulumb's Barrier
Every color of star, listed from hottest to coolest
A white dwarf will turn into this when it cools
What is a black dwarf
The origin of the name "black hole"
What is the gravitational pull being so high that light cannot escape