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manasataramgini

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dharma-visheSha-prasUtAd dravya-guNa-karma-sAmAnya-visheSha-samavAyAnAM padArthAnAM sAdharmya-vaidharmAbhyAM tattvaj~nAnAn niHshreyasaM ||

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linkhttp://manasataramgini.wordpress.com/ calendar_today17-10-2011 02:26:56

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There have probably been 100s of trillions of planets with current human or higher *intelligent* life in the visible universe as a lower bound. However, they probably lasted 1-5 million years before going extinct. We don't think there are any intergalactic civilizations. We don't