1.   Although Roche-lobe overflow from the companion star seems the most likely source of this material, there is a problem.

2.   Antares has a greenish companion star which is a radio source, but it is not visible with binoculars.

3.   The alleged solar companion star was named Nemesis by its advocates.

4.   There is no evidence for any eclipse of the pulsar by the companion star, showing that it is compact.

5.   Both kinds were orbited by normal companion stars, whose gases were being pulled out to swirl toward their more massive companions.

6.   A slight tremor in these bursts betrays the presence of an invisible captive, a companion star so close that it orbits the X-ray pulsar every two hours.

7.   A small telescope reveals a small companion star.

8.   But the Sun, having no companion star, may lack the mechanism to make a spectacle of its decline and death.

9.   If the idea of a companion star as eggbeater is correct, the shells of ejected solar gas would probably remain fairly spherical but luminous in many colors.

10.   Material from a companion red giant star is dumped on the white dwarf until the smaller star reaches a precise mass limit.