White dwarf stars can appear green, pink, purple, not just white or blue
They publishedGreen, pink and purple: Astronomers reveal the surprising true colors of white dwarf stars
Who / What / Where / When
Who
What
- Warwick astronomers modeled white dwarf colors using spectra and human color vision.
- Coolest white dwarfs can reach densities around 1 gram per cubic centimeter.
- Colors depend on atmosphere composition and trace elements like carbon and sodium.
- WD J1330+6435 appears green due to calcium, lithium, and sodium enriching the atmosphere.
- Among 151 white dwarfs within 65 light-years, five showed unusual colors; about 1 in 30.
Where
Unknown (outlet HQ)
topics: Science, Education · language: eng
topics: Science, Education · language: eng
When
published 15 Oct, 00:10Z
ingested 15 Oct, 01:02Z
ingested 15 Oct, 01:02Z
Rewrite
original kept above, struck through · model ?
Retrieved
https://phys.org/news/2026-10-green-pink-purple-astronomers-reveal.html
Everything above is the full audit trail for this article: source, country, timestamps, the original headline, and the model that rewrote it. Nothing is hidden.