Dead Star Warps Light of Companion Red Star, Astronomers Say
Apr. 5, 2013 — NASA's Kepler space telescope, in concert with Cornell-led measurements of stars' ultraviolet activity, has observed the effects of a dead star bending the light of its companion red star.
The dead star, also called a white dwarf, is the burnt-out core of what used to be a star like our sun. It is locked in an orbiting dance with its partner, a small "red dwarf" star. While the tiny white dwarf is physically smaller than the red dwarf, it is more massive. When the white dwarf passed in front of its star, its gravity caused the starlight to observably bend and brighten.
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Sources: Cornell University, ScienceDaily.com .
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