unit 7 Flashcards
what type of star is the sun since it is above average size?
G2
The spectroscope was invented by ______
Joseph Von Fraunhofer
The measurement of the total energy output of a star is called ______
Absolute magnitude
fluids at rest are called
Hydrostatic Equilibrium
___ Marks the end of a blue star’s life.
Iron
After a star explodes, neutron stars and black holes are forms of ___.
degenerate matter
Because their electrons cannot get any closer, ____ do not get any smaller.
White dwarfs
____ Plotted the absolute magnitude of stars against their spectral classes.
Henry Russell
When the absolute magnitude of stars are plotted against their ___, that chart is called the _____.
Temperatures, H-R diagram
______ Begins and ends with the same element.
carbon cycle
To keep helium from colleting within their cores, ____ used convection
Red dwarf
___ spin rapidly because they are governed by the spin rate of their original star because of how small it has become.
Pulsars
A ___ leaves the main sequence when it stops fusing ___ into helium in its core.
Star, Hydrogen
In the triple-alpha process, when helium begins to fuse with ___ it is called a “_______”
Carbon, “helium Flash”
____ rules what characteristics a star shows through all stages of its activity.
Mass
