And also they can distinguish between plants that you should have and plants that you shouldn't have....
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Because of the bandwidth required to transmit data when very high resolution images are acquired, these images are only acquired in areas of interest - and the southern Indian Ocean has, until recently, not been a high priority area for these.
Further, a lot of military satellites are almost certainly in orbits and with coverage limited to a small area directly below them.
John
I'm not allowed to say!
I deleted, it can be offensive.........
The theory that this plane may have been hijacked by Uighur terrorists from China wanting to target Chinese nationals may not be as far-fetched as was thought. Still just a theory though...
Thailand used as waypoint in human trafficking ring moving militants to Turkey and Syria | Bangkok Post: news
Apparently a Chinese search air craft has spotted wreckage and passed on coordinates to a Chinese ice breaker that is in the area.
Cheers Hall
It has now been confirmed that the 777 crashed into the Southern Ocean.
Malaysia says missing jet crashed at sea
Cruel as it may sound, it's a better outcome than the plane re-emerging in the hands of terrorists, loaded with explosives.
Unless the terrorists deliberately crashed it.
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