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Emerald Isle: Ireland from Space

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The lush green of the Emerald Isle, Ireland, is clear in this image taken by NASA's Terra satellite.
The lush green of the Emerald Isle, Ireland, is clear in this image taken by NASA's Terra satellite. (Image credit: NASA)

It's called the 'Emerald Isle' for good reason: Ireland's landscape, as seen in a NASA satellite image, is covered in lush green grasses and of course, shamrocks.

Ireland's greeness wouldn't be expected given its location: It sits between 51.5 and 55.5 degrees north latitude, the same latitude range as the much chillier and snowier Newfoundland and Labrador in Canada. But Ireland benefits from the influence of the ocean current known as the North Atlantic Drift, which extends the warm waters of the Gulf Stream northward and gives Eire its mild climate . The island's average temperature in January is a relatively balmy 45 degrees Fahrenheit (7 degrees Celsius). Summers are also mild.

The island's greeness is evident in this photo taken by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Terra satellite on May 2, 2007.

While vegetation is abundant, little of it is forests. Clearing in the 17th century removed most of the country's forests, and despite replanting efforts, Ireland is Europe's least forested country, after Iceland. The island's mild temperatures and humidity have instead blanketed the landscape in abundant grasses.

The brown seen along parts of the west coast are ancient, crystalline rocks deposited well over a billion years ago, according to a NASA statement. Dublin appears as a patch of gray and signs of human habitation are also clear around Londonderry, Belfast and Cork.

Live Science Staff
Live Science Staff
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