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Topic	Hmm...I suppose we are the only developed life in our galaxy
omgbread 10/22/17 5:20:27 PM #52:	weapon_d00d816 posted... omgbread posted... weapon_d00d816 posted... The major misconception in that theory in the OP is that we had "uninterrupted development". There were several mass extinction events. A few of them wiped out more than 90% of species living at that time. And IIRC, the impact with the rogue planet that eventually formed the moon? There was life before that point and life afterward. A fucking planet collision couldn't stop (microbial) life. relatively uninterrupted No, that many global extinction events is being pretty thoroughly fucked with. I guess it would be worse without Jupiter taming the asteroid belt, but who says a Jupiter type planet would be rare in these life-bearing solar systems? Who says they would even have an asteroid belt needing shepherded? Having a Jupiter out there is a big thing (most Jupiter sized planets are actually close in to the sun so a big defender out wide is rare). We are lucky to have Jupiter, a lot of systems have their Jupiter super close to the sun and not playing defense. We live in a safe zone and have been very lucky. <cite>omgbread posted [p:888928520] in Hmm...I su... [t:75901251]...</cite> <quote><cite>weapon_d00d816 posted...</cite> <quote><cite>omgbread posted...</cite> <quote><cite>weapon_d00d816 posted...</cite> <quote>The major misconception in that theory in the OP is that we had "uninterrupted development". There were several mass extinction events. A few of them wiped out more than 90% of species living at that time. And IIRC, the impact with the rogue planet that eventually formed the moon? There was life before that point and life afterward. A fucking planet collision couldn't stop (microbial) life.</quote> relatively uninterrupted</quote> No, that many global extinction events is being pretty thoroughly fucked with. I guess it would be worse without Jupiter taming the asteroid belt, but who says a Jupiter type planet would be rare in these life-bearing solar systems? Who says they would even have an asteroid belt needing shepherded?</quote> Having a Jupiter out there is a big thing (most Jupiter sized planets are actually close in to the sun so a big defender out wide is rare). We are lucky to have Jupiter, a lot of systems have their Jupiter super close to the sun and not playing defense. We live in a safe zone and have been very lucky.</quote> ... Copied to Clipboard!
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