Astronomers find green-glowing white dwarf star 280 light-years away
Astronomers have identified a white dwarf star called WD J1330+6435 in the Draco constellation. Its green color is attributed to the interplay of sodium and helium particles in its atmosphere. The star sits about 280 light-years from Earth, so the light reaching us shows it as it appeared roughly 280 years ago. Its surface temperature is close to 4,000 degrees Celsius. Despite its heat, the star is about the same size as Earth.
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