Sunday, August 10, 2008

thanks Jupiter!

Our solar system seems to be rare. Solar systems like ours can only be if it takes just as much time for the the protoplanetary disc to get thin as it takes for the first giant planet to be shaped. According to calculations by computer, such a situation is rare. It takes giant planets to enable 'earths'. That means that we cannot leave this place:) And that we are real lucky to have Jupiter around. Maybe that is why in astrology the symbol of Jupiter means 'to succeed'?

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