The strange case of the missing dwarf
Paris (SPX) Feb 20, 2015 - Some pairs of stars consist of two normal stars with slightly different masses. When the star of slightly higher mass ages and expands to become a red giant, material is transferred to other star and ends up surrounding both stars in a huge gaseous envelope. When this cloud disperses the two move closer together and form a very tight pair with one white dwarf , and one more normal star [1]. ... more
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