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What are these huge ‘fields’ of light just north of Amsterdam?
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I flew over the Netherlands last week, and while we were going over an area just off the coast northwest of Amsterdam, I noticed something that looked like enormous, square lights shining quite brightly in the twilight.
There were a good half a dozen of them in total, spread out over a distance of perhaps six to ten kilometres. It’s hard to gauge size properly when you’re looking at something from 38,000 feet with intermittent clouds obscuring your view, but I estimated that at least some of them were the size of several (European) football fields.
I took a few pictures of them with my phone, which are of course fairly crappy, but at least give some kind of idea:
Looking at the general area on Google Maps (going by the GPS coordinates in the photos), nothing really sticks out as being obviously those fields of light. I do see an area with lots of quite bright roofs, but they look too close together and not enough in number to fit (and possibly not big enough either). I’m also not sure they’d be reflective enough – it was darker than the photos make it look, so there wasn’t that much sunlight to reflect at the time.
Does anyone know what these fields of light are?
netherlands identify-this
asked 1 hour ago
Janus Bahs Jacquet
6721512
add a comment |Â
up vote
2
down vote
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I flew over the Netherlands last week, and while we were going over an area just off the coast northwest of Amsterdam, I noticed something that looked like enormous, square lights shining quite brightly in the twilight.
There were a good half a dozen of them in total, spread out over a distance of perhaps six to ten kilometres. It’s hard to gauge size properly when you’re looking at something from 38,000 feet with intermittent clouds obscuring your view, but I estimated that at least some of them were the size of several (European) football fields.
I took a few pictures of them with my phone, which are of course fairly crappy, but at least give some kind of idea:
Looking at the general area on Google Maps (going by the GPS coordinates in the photos), nothing really sticks out as being obviously those fields of light. I do see an area with lots of quite bright roofs, but they look too close together and not enough in number to fit (and possibly not big enough either). I’m also not sure they’d be reflective enough – it was darker than the photos make it look, so there wasn’t that much sunlight to reflect at the time.
Does anyone know what these fields of light are?
netherlands identify-this
asked 1 hour ago
Janus Bahs Jacquet
6721512
There's a lot more of them west of Rotterdam.
– gerrit
19 mins ago
add a comment |Â
up vote
2
down vote
favorite
up vote
2
down vote
favorite
I flew over the Netherlands last week, and while we were going over an area just off the coast northwest of Amsterdam, I noticed something that looked like enormous, square lights shining quite brightly in the twilight.
There were a good half a dozen of them in total, spread out over a distance of perhaps six to ten kilometres. It’s hard to gauge size properly when you’re looking at something from 38,000 feet with intermittent clouds obscuring your view, but I estimated that at least some of them were the size of several (European) football fields.
I took a few pictures of them with my phone, which are of course fairly crappy, but at least give some kind of idea:
Looking at the general area on Google Maps (going by the GPS coordinates in the photos), nothing really sticks out as being obviously those fields of light. I do see an area with lots of quite bright roofs, but they look too close together and not enough in number to fit (and possibly not big enough either). I’m also not sure they’d be reflective enough – it was darker than the photos make it look, so there wasn’t that much sunlight to reflect at the time.
Does anyone know what these fields of light are?
netherlands identify-this
asked 1 hour ago
Janus Bahs Jacquet
6721512
I flew over the Netherlands last week, and while we were going over an area just off the coast northwest of Amsterdam, I noticed something that looked like enormous, square lights shining quite brightly in the twilight.
There were a good half a dozen of them in total, spread out over a distance of perhaps six to ten kilometres. It’s hard to gauge size properly when you’re looking at something from 38,000 feet with intermittent clouds obscuring your view, but I estimated that at least some of them were the size of several (European) football fields.
I took a few pictures of them with my phone, which are of course fairly crappy, but at least give some kind of idea:
Looking at the general area on Google Maps (going by the GPS coordinates in the photos), nothing really sticks out as being obviously those fields of light. I do see an area with lots of quite bright roofs, but they look too close together and not enough in number to fit (and possibly not big enough either). I’m also not sure they’d be reflective enough – it was darker than the photos make it look, so there wasn’t that much sunlight to reflect at the time.
Does anyone know what these fields of light are?
netherlands identify-this
netherlands identify-this
asked 1 hour ago
Janus Bahs Jacquet
6721512
asked 1 hour ago
Janus Bahs Jacquet
6721512
asked 1 hour ago
Janus Bahs Jacquet
6721512
asked 1 hour ago
Janus Bahs Jacquet
6721512
asked 1 hour ago
Janus Bahs Jacquet
6721512
6721512
There's a lot more of them west of Rotterdam.
– gerrit
19 mins ago
add a comment |Â
There's a lot more of them west of Rotterdam.
– gerrit
19 mins ago
There's a lot more of them west of Rotterdam.
– gerrit
19 mins ago
There's a lot more of them west of Rotterdam.
– gerrit
19 mins ago
add a comment |Â
1 Answer
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They are artificially lit greenhouses. The artificial light escapes through their transparent roofs.
Some of them were presumably not (yet?) illuminated when you saw them, perhaps because it wasn't yet completely dark or because the crop in the greenhouse was at the wrong point of its growth. Note that some of the white buildings in the satellite image on Google maps are tagged as plant nurseries, for example just south of Norddorp.
answered 59 mins ago
phoog
62.7k9136198
Yes, I did see the ‘plant nursery’ tags; I just mistakenly took that to refer to gardening centres, rather than greenhouses. Massive, illuminated greenhouses makes perfect sense!
– Janus Bahs Jacquet
8 mins ago
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
5
down vote
accepted
They are artificially lit greenhouses. The artificial light escapes through their transparent roofs.
Some of them were presumably not (yet?) illuminated when you saw them, perhaps because it wasn't yet completely dark or because the crop in the greenhouse was at the wrong point of its growth. Note that some of the white buildings in the satellite image on Google maps are tagged as plant nurseries, for example just south of Norddorp.
answered 59 mins ago
phoog
62.7k9136198
Yes, I did see the ‘plant nursery’ tags; I just mistakenly took that to refer to gardening centres, rather than greenhouses. Massive, illuminated greenhouses makes perfect sense!
– Janus Bahs Jacquet
8 mins ago
add a comment |Â
up vote
5
down vote
accepted
They are artificially lit greenhouses. The artificial light escapes through their transparent roofs.
Some of them were presumably not (yet?) illuminated when you saw them, perhaps because it wasn't yet completely dark or because the crop in the greenhouse was at the wrong point of its growth. Note that some of the white buildings in the satellite image on Google maps are tagged as plant nurseries, for example just south of Norddorp.
answered 59 mins ago
phoog
62.7k9136198
Yes, I did see the ‘plant nursery’ tags; I just mistakenly took that to refer to gardening centres, rather than greenhouses. Massive, illuminated greenhouses makes perfect sense!
– Janus Bahs Jacquet
8 mins ago
add a comment |Â
up vote
5
down vote
accepted
up vote
5
down vote
accepted
They are artificially lit greenhouses. The artificial light escapes through their transparent roofs.
Some of them were presumably not (yet?) illuminated when you saw them, perhaps because it wasn't yet completely dark or because the crop in the greenhouse was at the wrong point of its growth. Note that some of the white buildings in the satellite image on Google maps are tagged as plant nurseries, for example just south of Norddorp.
answered 59 mins ago
phoog
62.7k9136198
They are artificially lit greenhouses. The artificial light escapes through their transparent roofs.
Some of them were presumably not (yet?) illuminated when you saw them, perhaps because it wasn't yet completely dark or because the crop in the greenhouse was at the wrong point of its growth. Note that some of the white buildings in the satellite image on Google maps are tagged as plant nurseries, for example just south of Norddorp.
answered 59 mins ago
phoog
62.7k9136198
edited 53 mins ago
answered 59 mins ago
phoog
62.7k9136198
answered 59 mins ago
phoog
62.7k9136198
answered 59 mins ago
phoog
62.7k9136198
62.7k9136198
Yes, I did see the ‘plant nursery’ tags; I just mistakenly took that to refer to gardening centres, rather than greenhouses. Massive, illuminated greenhouses makes perfect sense!
– Janus Bahs Jacquet
8 mins ago
add a comment |Â
Yes, I did see the ‘plant nursery’ tags; I just mistakenly took that to refer to gardening centres, rather than greenhouses. Massive, illuminated greenhouses makes perfect sense!
– Janus Bahs Jacquet
8 mins ago
Yes, I did see the ‘plant nursery’ tags; I just mistakenly took that to refer to gardening centres, rather than greenhouses. Massive, illuminated greenhouses makes perfect sense!
– Janus Bahs Jacquet
8 mins ago
Yes, I did see the ‘plant nursery’ tags; I just mistakenly took that to refer to gardening centres, rather than greenhouses. Massive, illuminated greenhouses makes perfect sense!
– Janus Bahs Jacquet
8 mins ago
add a comment |Â
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There's a lot more of them west of Rotterdam.
– gerrit
19 mins ago