H-R
Considered to be full fusion
What is a main sequence star?
believed to start a nebula's rotation
What is a shockwave?
flattened gas coming from and surrounding the protostar
What is the protostar disk?
the balance between the core's explosive power and the star's gravity in order to maintain a sphere
What is Hydrostatic Equilibrium?
releasing energy by turning hydrogen into helium
What is fusion?
the hottest spectral type
What is a blue giant star?
In a nebula, free fall collapse is caused by
What is gravity?
recently formed stars
What are T Tauri stars?
a red dwarf doesn't have one
What is a radiation zone?
energy creation made by medium stars
What is proton-proton chain?
The coordinates of this star lies at G1
What is our sun?
This is the shroud of dust and gas surrounding the protostar
What is the cocoon nebula?
bipolar flows that push away the surrounding ISM
What are Herbig-Haro jets?
the time it takes for energy to be created and leave the star.
What is 1,000,000 years?
Solar masses larger than 1.5 use this for energy
What is the CNO cycle?
Betelgeuse is this type of star?
What is red supergiant?
3.26 light years
What is a parsec?
nebular gas shaped as nodules
What are Bok nodules?
The law that states that energy must flow from hot to cool
What is the law of Energy Transport?
formula that describes a star's energy production
What is E=mc squared?
The birth line represents this stage of star evolution.
What is a protostar?
most young stars are of these spectral types
What are type O and B?
trapezoid patterned stars in the center of the Orion nebula
What is the Trapezium?
description of the gas that will not permit much radiation to pass
What is opacity?
the death element of large stars
What is iron?