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Old 08 June 2018, 07:17 PM
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iskinner iskinner is offline
 
Join Date: 06 May 2011
Location: Sacramento, CA
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An important distinction is that they do not know if they have found more or not. The uncertainty here is that we currently do not have a way to get a more complete answer from the technology available. The samples that have been investigated could have very well had more to tell, but we can't read it yet.

Planned future missions are being designed to do just that. To bring the technology to examine finds like this more closely for signs of life past or present.

But until we had the information announced this week and some earlier findings there was not enough evidence to justify expending the weight and cost of adding such implementation to earlier missions.
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