Orgins
Stages
Cycles
H-R Diagrams
100
What is a nebula and what is it mostly made out of
A nebula is a massive cloud of interstellar gases and dust, mainly hydrogen and helium gases.
100
How many types of supernovas are there ?
There are 2 types
100
How many classes of life cycles are there ?
2 types
100
Who are the founders of The H-R diagrams
Ejnar Hertzspurg and Henry Norris Russell.
200
what are the three types of Nebulas
The three types of Nebula's are Emission, Reflection, and Dark
200
What is a white Dwarf made of ?
Shrunken remains of normal stars.
200
What is the difference between large and very large stars ?
Large end up as neutron stars, VL end up as black holes.
200
What is the diagonal ranging form the top left to the bottom right called ?
It is called the main sequence.
300
What must First happen in order for stars to start forming?
Stars are formed when parts of nebula collapse in on themselves,causing an uneven distribution of gases.
300
What is a neutron star made of and what is it the product of ?
Made of neutrons, product of a supernova explosions.
300
True or false; the small/med cycles starts nuclear fusion quickly?
False
300
How much present of stars follow the main sequence?
Estimated to be around 90%.
400
What forms when clumps of dust / gas start to combine with each other.
A Protostar
400
What can escape the gravitational pull of a black hole?
Nothing
400
How much brighter are Large/Vl stars in comparison to our Sun ?
Tens of thousands times brighter
400
What clusters of stars can be found in the upper corners of diagram?
Red/Blue giants
500
What causes new stars to shine?
New stars emit radiation in the form of heat, light, x-rays, gamma rays, and other energetic particles.
500
True or False; Red Dwarf stars burn very quickly?
False
500
Which cycle will finish nuclear fusion (die) first ?
Large/VL cycle
500
What are the name of the axis of the H-R diagram ?
Absolute magnitude and surface temperature