Exploring exoplanet historic timeline

This is a NASA timeline trace in quest to know the ancient exoplanet. The information is based on early philosophical information to the current discoveries. The timeline is from 450 BC to 2009 and the future anticipation.

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Uploaded by: ( Send Message ) on 30-01-2013. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 10m 59s

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