Starlight study illuminates Earth-like traits of a neighboring rocky exoplanet

From this, the team was able to deduce the concentrations of chemical elements like carbon, oxygen, magnesium, aluminum, potassium, calcium, titanium and iron in the star. The elements can offer clues about nearby rocky planets, because those bodies are formed from the disks of gas and dust that spin around the parent star in its early years, and the star’s chemistry is factor in the makeup of those disks.

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