Astronomers discover the 1st ever green star, a cosmic zombie just in time for Halloween

Astronomers have discovered that white dwarfs, the remnants of sun-sized stars, can appear green and other colors if they consume rocky planets, challenging previous assumptions about stellar coloration.
Why it matters
This discovery significantly advances our understanding of stellar evolution and the diverse properties of celestial objects, potentially opening new avenues for research in astrophysics and planetary science.
Stars Astronomers discover the 1st ever green star, a cosmic zombie just in time for Halloween News By Robert Lea Published 15 October 2026 "The traces of sodium in the atmosphere of this white dwarf absorb the orange part of the spectrum, leaving behind a ghostly green glow."
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