Birth of a Star
This force plays a major role in star formation
What is gravity?
The major factors in determining a star's life span is
What is size and mass?
After a supergiant explodes some material is leftover and may form a
What is a neutron star?
These two properties are related
What is color and temperature?
This diagram is used to show the relationship between color and temperature
What is the Hertzprung-Russell diagram?
This cloud of dust and gas is the birth place of stars
What is a neubla?
A low or medium mass star will ultimately turn into this at the end of it's life span
What is a black dwarf?
A neutron star is the size of
What is a city?
This property says that the stars that are closest to us look brighter
What is apparent brightness?
The X axis on the HR diagram represents
What is the surface temperature?
Atoms combine to form heavier atoms during this process
What is nuclear fusion?
After becoming a super red giant, a massive star enters this phase of life
What is a supernova?
Pulsars give off
What is regular pulses of radio waves?
This property describes what elements are found in stars
What is chemical composition?
The Y axis on the HR diagram represents
What is luminosity?
What is hydrogen?
A massive star has a ___________ life span.
What is short?
This type of star has gravity so strong nothing can escape
What is a black hole?
This property groups stars based on how much space they take up
What is size?
Most stars are found are classified as
What is a main sequence star?
This is the first stage in a star's formation
What is a protostar?
An average star has a ___________ life span.
What is longer?
This type of star will result in a neutron, pulsar or black hole
What is massive?
This property says that the largest star is the brightest
What is the absolute brightness?
In main sequence stars, when surface temperature increases then absolute brightness does this
What is increase?