Birth of a Star
This force plays a major role in star formation
What is gravity?
The major factor in determining a star's life span is
What is mass?
After a supergiant explodes and less than 3 solar masses 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 before becoming a black dwarf.
What is a white dwarf?
In this process, mass is converted to energy.
What is nuclear fusion?
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 nucleosynthesis?
After becoming a red supergiant, a massive star enters this phase of life
What is a supernova?
Main Sequence stars do not implode because...
What is a balance between gravity and radiation pressure?
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 considers the actual amount of energy emitted by a star.
What is absolute magnitude/brightness?
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 or black hole
What is high mass?
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?