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How To Read Water

Find out how to read water

How To Read Water

Online Course

How To Read Water

How to Read Water

Tag: colour

The Colour and Shape of Navigation Marks

April 3, 2021April 2, 2021

Most navigators, even inexperienced ones, learn that colours are important when trying to identify navigation marks at sea. And most people also know that there…

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What are Supernumerary Rainbows?

March 16, 2020April 13, 2021

Supernumerary rainbows are faint bow lines that appear just inside the main rainbow. Look at the rainbow above and you may just be able to…

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Hydrangeas – Nature’s Litmus Test

November 8, 2019November 8, 2019

Hydrangeas are nature’s litmus test, by which I mean they can tell us the pH of the soil they are growing in. There are actually…

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How to Navigate with Rainbows

October 15, 2019March 16, 2020

Many people believe that a thing must be either beautiful or practical. But nature brims with examples that manage both. Rainbows are pretty, but they…

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The Difference Between Sunrise and Sunset

September 23, 2019September 24, 2019

Have a look at this photo and see if you can tell whether it is a sunrise or sunset? Yes, it’s tricky. Sunrises and sunsets…

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Water Sky

February 1, 2016January 21, 2019

A ‘Water Sky’ is the name given to the way that the underside of clouds appears noticeably darker when these clouds are over open water…

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