Share an Interesting Fact

Christans1967 said:
If you arrived today at the Sun travelling at 70mph you would have set off in the year 1823
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Not entirely true, the gravitational pull off the sun would accelerate you way beyond 70 miles an hour and time would begin to slow down as you approached the Sun,but I get your point.
 
A linear igneous intrusion (no this isn't about spunk) emanating from the island of Mull crosses the British Isles to Ravenscar north of Scarborough (or Scarbros to give it its Greek holiday destination name). High Force is the point at which the Tees crosses part of this intrusion where it is known as the Whin Sill. The intrusion crosses the North York Moors from Great Ayton to Ravenscar and can be followed by the line of linear quarries dotted along its length, it's known locally as the Cleveland or Whinstone Dike.
With the benefit of LIDAR imaging :love: it is possible to pick up the undisturbed line of the volcanic rock under the surface of the moor south of Commondale (doesn't have a Greek holiday name). It can be seen heading up into the top corner of the attached image west of some of the old quarries.
WQC.JPG
Apologies for the intrusion.
 
chickenrunner said:
A linear igneous intrusion (no this isn't about spunk) emanating from the island of Mull crosses the British Isles to Ravenscar north of Scarborough (or Scarbros to give it its Greek holiday destination name). High Force is the point at which the Tees crosses part of this intrusion where it is known as the Whin Sill. The intrusion crosses the North York Moors from Great Ayton to Ravenscar and can be followed by the line of linear quarries dotted along its length, it's known locally as the Cleveland or Whinstone Dike.
With the benefit of LIDAR imaging :love: it is possible to pick up the undisturbed line of the volcanic rock under the surface of the moor south of Commondale (doesn't have a Greek holiday name). It can be seen heading up into the top corner of the attached image west of some of the old quarries.
View attachment 8452
Apologies for the intrusion.
Click to expand...
A bit more LIDAR imaging
Screenshot_20201107-155903.jpg
 
The LIDAR name is a combo of light and radar. The technique uses a laser on an aircraft to create an image of the ground. It comes in 2 'flavours', DSM (digital surface model) and DTM (digital terrain model). DSM shows the ground surface complete with buildings, trees (some), ..... etc. and DTM just shows the ground surface with all objects stripped away (even stuff like bridge decks disappear leaving only the approach works).
DSM
RivDSM.JPG
DTM
RivDTM.JPG

Edit: Meant to add that UK coverage can be found here LIDAR. There are a variety of resolutions 2m, 1m, 50cm & 25cm. Coverage is not complete with the higher resolutions being more limited.
 
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The Princes in the Tower were not murdered on the order of Richard III but in fact survived and led battles against King Henry VII. Channel 4 documentary tonight
 
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Laughing said:
Not entirely true, the gravitational pull off the sun would accelerate you way beyond 70 miles an hour and time would begin to slow down as you approached the Sun,but I get your point.
Click to expand...
I hate astro physics! I jsut can never grasp it all. It's so complicated
 
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