RESOLVING THE LEDGER
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The last solar eclipse visible from the European mainland was in 1999. Here's what to expect, and how to prepare for this rare occasion.
https://p.dw.com/p/5IfMg Advertisement On Wednesday, about 980 million people across parts of the Northern Hemisphere will have the chance to observe this upcoming solar eclipse .
They will be joined by hosts of researchers who will be taking advantage of the fleeting minutes when the sun's corona is visible from Earth to test specialized instruments and capture rare images. With them, they hope to gain a deeper appreciation of the material above the sun's surface .
During a solar eclipse , the moon orbits between Earth and the sun during the daytime, casting a shadow which temporarily darkens the sky and appears to blot out the sun. At the height of an eclipse, the moon's disk appears to align with the sun, revealing the sun's corona — its outermost atmosphere that flares outward like a crown (hence the name).
As the moon approaches and the sky darkens, you might also notice the temperature dropping, shadows appearing crescent-shaped, the wind beginning to shift and animals behaving unusually.
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Solar panels will be able to produce less energy in this time. In Germany, this is expected to lead to a brief surge in electricity prices.
Right before the eclipse reaches its maximum point, known as totality, watch out for Baily's beads. These are the final rays of sun reaching Earth through valleys on the moon's surface. They appear as white specks encircling the moon like a string of pearls.
As night closes in during totality, keep an eye out for the stars that appear. Some might even be able to catch a glimpse of auroras or passing meteors.
If you live in Greenland, Iceland, northern Russia, northern Spain or northeastern Portugal, you're in luck! Viewers in these locations will be able to observe a total solar eclipse.
In most of Western Europe, as well as parts of northern Africa and northern America, astronomy enthusiasts will still be able to watch a partial solar eclipse.
And this is just the first of two eclipses in August. The second will take place on August 27-28, when Earth moves between the sun and the moon to create a lunar eclipse .
The next solar eclipse will happen February 2, 2027, over much of Africa, South America, as well as parts of Antarctica.
While eclipses themselves are fairly frequent occurrences, it's not that often that a total solar eclipse is visible on inhabited parts of the globe. The last solar eclipse visible for most of mainland Europe, for example, was in 1999.
The spectacle will begin at 15:34 GMT, with the moon slowly dimming the sun's light as it creeps into position. About two hours later, at 17:46 GMT, the eclipse will reach totality for about two minutes.
But where on the globe you are watching from will make a difference. While Icelanders will be able to observe the eclipse's totality at 17:48 GMT, viewers in Spain will have to wait until 18:27 for their chance.
Since the eclipse is happening relatively late in the day, viewers are recommended to watch from high places to catch a good view of the sun as it dips toward the horizon. Most west-facing hills, towers and (safe) rooftops with an unobstructed view should do the trick.
If you're the kind who prefers crisper images, NASA is also offering a livestream .
In short, no. Looking directly into the sun can cause permanent damage to the retina at the back of your eye. Ordinary sunglasses, even polarized ones, are far too weak to provide enough protection.
Instead, you'll need certified ISO 12312-2 glasses, available at most pharmacies and opticians. Most are sold out already, but there are plenty of directions online for building a pinhole camera to safely watch the eclipse with small children.
You can also use a kitchen colander, or any other tool with small holes, to project tiny crescent-shaped shadows onto a safe surface.
Whether or not you are wearing eclipse glasses, never look at the sun through a camera, telescope or binoculars without a specialized filter, as the concentrated light can cause serious damage to your eyes.
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