Astronomers using NASA’s Hubble Space Telescope have uncovered a stellar oddity: a massive white dwarf star born from the violent merger of two stars, rather than the quiet death of a single one. This white dwarf, WD 0525+526, hides carbon traces in its atmosphere that only ultraviolet light could reveal — a telltale sign of […]



Summary

Hubble discovered a peculiar white dwarf, WD 0525+526, formed from the merger of two stars. Unlike typical white dwarfs formed from a single star’s slow death, this one resulted from a violent collision. The key evidence lies in the carbon detected in its atmosphere. The carbon’s presence, only visible under ultraviolet light, indicates it’s being pulled from the core. This process usually occurs only in stars of a specific mass. Further research is needed to fully understand how it works.

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