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Exoplanetary Scratchpad

[SysBP Img]

System containing a white dwarf star. Its atmosphere has the highest degree of metal contamination of any white dwarf, which suggests that it had consumed a rocky dwarf planet. Find may be the best way to study the composition of a rocky exo-planet. Six elements have been detected so far, including Iron and Silicon, suggesting an Earth-like composition.

SDSS J073842.56+183509.6 System Web Pages[]

SDSS J073842.56+183509.6 System In the News[]

White Dwarf Possibly Consumed Dwarf Planet (2010)[]