Questions tagged [ground-truth]

Ground-based reference measurements to aid remote sensing for Earth science

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2 votes
1 answer

What are all those "spots" on the Mediterranean Sea floor?

This is the location. It is close to the French coast.
MagTun's user avatar
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10 votes
2 answers

What are these underwater structures near 6°N 85°55'W

While google earth-researching the sea floor near Malpelo and Cocos Islands (Colombian and Costa Rican Pacific Ocean), I came along these strangely geometrical structures in the sea floor, located ...
PavoDive's user avatar
  • 203
2 votes
1 answer

Glowing Orange lakes seen from airplane at night

I recently observed a phenomenon during a nighttime flight over upper Midwest of USA-specifically over Marquette, MI. In what is a lightly populated area, I observed several very large rectangular ...
David Schatz's user avatar
15 votes
1 answer

Is this a former volcano in the Hamad Plateau, in the Syrian desert?

On my random explorations of google maps, I came across this interesting terrain: (link to map here) Apparently, this is part of the so-called Hamad Plateau, in the Syrian desert. If so, the rock ...
luchonacho's user avatar
3 votes
2 answers

Odd Inuksuk-like objects

I found some huge objects that are way too big to be inuksuks, in my opinion. The object on the right is very odd because the arms are not straight like they are in most images of inuksuks. and ...
Khorps's user avatar
  • 153