5 ms·

There are systems with twin stars.

• sp332 13y ago
  But how stable would a planet's orbit be in a two-star system?
  • ygra 13y ago
    http://en.wikipedia.org/wiki/Twin_star_system#Planets http://en.wikipedia.org/wiki/Twin_star_system#Planets says »Simulations have shown that the presence of a binary companion can actually improve the rate of planet formation within stable orbital zones«