TNRTB Archive - Retained for reference information
Thirteen multiple planet systems have been discovered. These systems, however, all appear to manifest mean motion resonances and apsidal phase locking which are detrimental to life. So far, the discovery of extrasolar planetary systems demonstrates the uniqueness of the solar system for life support.
Jianghui Ji, et al, “The Liberating Companions in HD 37124, HD 12661, HD 82943, 47 Ursa Majoris, and GJ 876: Alignment or Antialignment?” Astrophysical Journal Letters, 591 (2003), pp. L57-L60; Debra A. Fischer, et al, “A Planetary Companion to HD 40979 and Additional Planets Orbiting HD 12661 an HD 38529,”Astrophysical Journal, 586 (2003), pp. 1394-1408.
RTB articles: Anthropic Principle article in Facts for Faith
RTB video: Journey Toward Creation, 2nd edition