- A measure of how bright a star appears to an observer on earth.
Proxima Centauri is about 4.2 light years away, or in other words, light takes 4.2 years to travel from that star to Earth! Temperature, color, and luminosity are given in the ESRT’s pg.
These stages are outlined with distinct groups in the
or H-R DiagramHertzsprung-Russell DiagramSlide 10 Comments11The H-R DiagramSlide 11 Comments12Life Cycle of Stars:Beginning:Nebula – Gas cloud2nd Step:A) Star like our sunB) Red SupergiantSlide 12 Comments13Life Cycle of Stars:End Result:...
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