Whisky and Waders as Fishermen Welcome Salmon Season in Scotland by REUTERS


By REUTERS

On the banks of the River Tay in the Scottish highlands, a parade of pipers and a whisky-based blessing helped mark the start of the country’s salmon fishing season on Monday.

Published: January 16, 2018 at 04:39AM

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An Elephant s Trunk in Cepheus

With image data from telescopes large and small, this close-up features the dusty Elephant’s Trunk Nebula. It winds through the emission nebula and young star cluster complex IC 1396, in the high and far off constellation of Cepheus. Also known as vdB 142, the cosmic elephant’s trunk is over 20 light-years long. The colorful view highlights bright, swept-back ridges that outline the region’s pockets of cool interstellar dust and gas. Such embedded, dark, tendril-shaped clouds contain the raw material for star formation and hide protostars within. Nearly 3,000 light-years distant, the relatively faint IC 1396 complex covers a large region on the sky, spanning over 5 degrees. This dramatic scene spans a 1 degree wide field, about the size of 2 Full Moons. via NASA http://ift.tt/2Db580z

Rigel and the Witch Head Nebula

By starlight this eerie visage shines in the dark, a crooked profile evoking its popular name, the Witch Head Nebula. In fact, this entrancing telescopic portrait gives the impression that the witch has fixed her gaze on Orion’s bright supergiant star Rigel. More formally known as IC 2118, the Witch Head Nebula spans about 50 light-years and is composed of interstellar dust grains reflecting Rigel’s starlight. The blue color of the Witch Head Nebula and of the dust surrounding Rigel is caused not only by Rigel’s intense blue starlight but because the dust grains scatter blue light more efficiently than red. The same physical process causes Earth’s daytime sky to appear blue, although the scatterers in Earth’s atmosphere are molecules of nitrogen and oxygen. Rigel, the Witch Head Nebula, and gas and dust that surrounds them lie about 800 light-years away. via NASA http://ift.tt/2DdfY5t