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Astronomers observe white dwarf stars displaying a wide range of colours

Researchers have identified that white dwarf stars exhibit a surprising variety of colours across the universe.

Surprise! White dwarf stars come in a rainbow of colours
File photo Surprise! White dwarf stars come in a rainbow of colours Photo: Nature

New findings on stellar diversity

Scientists report that these compact stellar remnants do not all appear identical in colour. The study reveals distinct differences in how light reflects off their surfaces. This discovery challenges previous assumptions about the uniformity of white dwarf appearances.

Data from multiple observations

The team analyzed data collected from various telescopes to confirm these visual variations. Measurements show that temperature and composition differences create the observed spectrum. Independent verification supports the conclusion that colour variation is a standard feature.

Implications for stellar research

Understanding these colour differences helps astronomers better classify white dwarf populations. Future surveys will likely incorporate this new understanding of stellar diversity. The results provide a clearer picture of how these stars evolve over time.

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