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Schiehallion, Loch Rannoch

By mac
The hill in the background is Schiehallion, which 2083 metres (3553 feet) in height.
The mountainís isolated position and regular shape led it to be selected by Charles Mason for a ground-breaking experiment to estimate the mass of the Earth in 1774. The deflection of a pendulum by the mass of the mountain provided an estimate of the mean density of the Earth, from which its mass and a value for Newton's gravitational constant G could be deduced. Mason turned down a commission to carry out the work, and it was instead coordinated by Astronomer Royal, Nevil Maskelyne. He was assisted in the task by mathematician Charles Hutton, who devised a graphical system to represent large volumes of surveyed heights, later known as contour lines.
The Loch Rannoch stretches 10 miles (16 km) from Kinloch Rannoch to Bridge of Gaur in the west and has a recorded depth of 440 ft. Loch Rannoch lies on the traditional main route north to the west coast of Scotland, known famously as the Road to the Isles.


Tags: Perthshire Schiehallion Landscape and travel

Voters: Chinga, pablophotographer, Rudranath and 29 more

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Comments


Chinga Plus
10 3 2 United Kingdom
15 Feb 2021 12:40AM
Beautiful location for the shot... I like both variants...
Isabel GrinGrin
15 Feb 2021 5:51AM
A beautiful capture of this area of Scotland and a very interesting piece of history, Ian.
Mike
bliba Plus
15 2 Austria
15 Feb 2021 6:05AM
a beautiful scene - moo suits very well
cats_123 Plus
17 5.1k 30 Northern Ireland
15 Feb 2021 8:48AM
Looks beautiful. Has to be colour today 😁
franken Plus
19 5.3k 4 United Kingdom
15 Feb 2021 8:51AM
I'm drawn to the both of them, Ian.
Lovely image. Itís colour for me. 😉

Karen
15 Feb 2021 4:44PM
great photography and info
and mono works best, imho
JuBarney Plus
10 34 5 United Kingdom
15 Feb 2021 5:21PM
Terrific shot and colour is my fav.
Ju

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