WASHINGTON, Oct 16 : Astronomers for the first time have identified a green star, documenting a dense stellar remnant called a white dwarf that became a ghostly shade of chartreuse after ingesting rocky debris from planets that once had orbited it.A star's color typically is governed by its temperature, with

WASHINGTON, Oct 16 : Astronomers for the first time have identified a green star, documenting a dense stellar remnant called a white dwarf that became a ghostly shade of chartreuse after ingesting rocky debris from planets that once had orbited it.A star's color typically is governed by its temperature, with