TNRTB Archive – Retained for reference information
Polish astronomers have found more evidence that our solar system is atypical in possessing the necessary characteristics for the support of life. In their analysis of the latest multiplanet extrasolar system to be discovered, namely the planets orbiting the star HD169830, they found that the two discovered gas giant planets exhibit several life-inhibiting characteristics. The planets’ masses are too large, their orbital eccentricities too great, and their orbital variations too large to permit the existence of life on a planet approaching the size and characteristics of Earth—should such a planet exist in the system. Not even one out of the thirteen multiplanet systems discovered so far would allow for the possibility of life existing on an Earth-type planet in its system. Thus, evidence continues to accumulate that the solar system is far from typical. The more we learn about extrasolar planets the stronger becomes the evidence that our solar system is uniquely and supernaturally designed for life.
- Krzysztof Gozdziewski and Maciej Konacki, “Dynamical Properties of the Multiplanet System Around HD 169830,” Astrophysical Journal 610 (2004): 1093-1106.
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