Examples of using "Doppelsternsystem" in a sentence and their english translations:
Sirius is a binary star system and is about 8.6 light-years distant from our sun.
Antares has a faint companion called Antares B, with which it forms a binary system.
Sirius is a binary star system. Sirius B, Sirius A's faint companion, is the white dwarf closest to our solar system. It is about as big as our earth.