main sequence
Related Words
starsunluminositymagnitudetemperaturespectrumhydrogenheliumfusionplasmagravitypressureequilibriummassradiusdensityphotonelectronprotonneutronnucleuscorecoronaphotospherechromosphereconvectionradiationopacityenergylightheatinfraredultravioletxraygamma raydwarfgiantprotostarsupernovanebulaclustergalaxyuniversecosmologyastronomyastrophysicstelescopespectroscopyparallaxdistanceorbitplanetsatelliteblack holewhite dwarfred giantmetallicityabundanceentropyinertiavacuumspacetimeagelifetimeevolutionstabilitycollapseexpansion