Astronomers discover first green star and the reddest star ever recorded

WDJ1330+6435 and WDJ0902+2010 are changing our understanding of star colors. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The cool white dwarf WDJ1330+6435 has accreted sodium-rich rocky material from its planetary system into its atmosphere. The immense atmospheric density causes the sodium to absorb light over a broad range of yellow, orange, and red wavelengths, giving the WDJ1330+6435 a ghostly green appearance (left). The cool white dwarf WDJ0902+2010 has a deep convection zone within its helium dominated outer envelope.