The sun is seen during a partial eclipse over a statue of the Duomo gothic cathedral in Milan, Italy, Friday, March 20, 2015. An eclipse is darkening parts of Europe on Friday in a rare solar event that won't be repeated for more than a decade. (Photo by Luca Bruno/AP Photo)

A solar eclipse is seen through a dark glass plate in Sarajevo, Bosnia, on Friday , March 20, 2015. Solar eclipse is darkening parts of Europe on Friday in a rare solar event that won't be repeated for more than a decade. (Photo by Amel Emric/AP Photo)

A partial solar eclipse is seen from near Bridgwater, in south western England, March 20, 2015. (Photo by Toby Melville/Reuters)

A woman watches a partial solar eclipse through a dark glass plate in Budapest March 20, 2015. A solar eclipse swept across the Atlantic Ocean on Friday with the moon set to block out the sun for about 2-1/2-hour, sky gazers in Europe, Africa and Asia getting a partial celestial show. (Photo by Laszlo Balogh/Reuters)

A partial solar eclipse is seen from near Bridgwater, in south western England, March 20, 2015. (Photo by Toby Melville/Reuters)

A partial solar eclipse is seen through a dark glass plate in Budapest March 20, 2015. (Photo by Laszlo Balogh/Reuters)

A partial solar eclipse forms in the sky through clouds near the cross of the Church of St Nicholas the Miracle-Maker in Sofia March 20, 2015. A partial eclipse was visible on Friday, the first day of northern spring, across parts of Africa, Europe and Asia. The total eclipse of the sun was only be visable in the Faroe Islands and the Norwegian archipelago of Svalbard in the Arctic Ocean. (Photo by Stoyan Nenov/Reuters)

Schoolchildren react as they wear protective glasses to watch a partial solar eclipse, despite of the cloudy weather, at Madrid's Planetarium March 20, 2015. A solar eclipse swept across the Atlantic Ocean on Friday with the moon set to block out the sun for a few thousand sky gazers on remote islands with millions more in Europe, Africa and Asia getting a partial celestial show. (Photo by Sergio Perez/Reuters)

Pupils pose with their safety glasses as they try to view a partial solar eclipse through thick fog at “Halde Hoheward” in the western city of Herten March 20, 2015. A partial eclipse was visible on Friday, the first day of northern spring, across parts of Africa, Europe and Asia. The total eclipse of the sun was only be visable in the Faroe Islands and the Norwegian archipelago of Svalbard in the Arctic Ocean. (Photo by Ina Fassbender/Reuters)

People watch a partial solar eclipse through exposed x-ray film in Marseille March 20, 2015. A partial eclipse will be visible across parts of Africa, Europe and Asia on Friday, the first day of northern spring. (Photo by Jean-Paul Pelissier/Reuters)

A man uses binoculars with special filters as he watches a partial solar eclipse, despite the cloudy weather, at Madrid's Planetarium March 20, 2015. A solar eclipse swept across the Atlantic Ocean on Friday with the moon set to block out the sun for a few thousand sky gazers on remote islands with millions more in Europe, Africa and Asia getting a partial celestial show. (Photo by Sergio Perez/Reuters)

Commuters stop to stare and take photographs as they try to see a partial solar eclipse from London Bridge in London March 20, 2015. (Photo by Dylan Martinez/Reuters)

A boy holds home-made protective glasses outside The Royal Observatory during a partial solar eclipse in Greenwich, south east London March 20, 2015. (Photo by Stefan Wermuth/Reuters)

People wearing solar viewing glasses observe a partial solar elcipse in Reykjavik March 20, 2015. (Photo by Sigtryggur Ari/Reuters)

A girl holds a home-made protective viewing box outside The Royal Observatory during a partial solar eclipse in Greenwich, south east London March 20, 2015. (Photo by Stefan Wermuth/Reuters)

A man photographs the partial solar eclipse beside the “Golden Victoria” statue on top of the Victory Column (Siegessaule) in Berlin March 20, 2015. (Photo by Fabrizio Bensch/Reuters)

Irena Simic uses a self-made monocular to watch a partial solar eclipse on the bank of river Main in front of the skyline of Frankfurt, March 20, 2015. (Photo by Kai Pfaffenbach/Reuters)

A partial solar eclipse in seen above a mosque in Oxford, central England March 20, 2015. (Photo by Eddie Keogh/Reuters)

A man watches a partial solar eclipse looking through a protection foil shield as he sits on the terrace of a restaurant at the bank of river Main in front of the skyline of Frankfurt, March 20, 2015. (Photo by Kai Pfaffenbach/Reuters)

A man photographs a partial solar eclipse on his mobile phone from the grounds of Belfast Zoo, in Belfast March 20, 2015. (Photo by Cathal McNaughton/Reuters)

A partial eclipse of the sun is seen through clouds behind a roadside crucifix at Goulien, in Finistere, western France, March 20, 2015. (Photo by Mal Langsdon/Reuters)

Bridal pair Sarah Wolf and Michael Wilde (R) and their guests look through a rescue foil as they watch a partial solar eclipse in Munich March 20, 2015. (Photo by Michaela Rehle/Reuters)

The solar eclipse is seen over Stonehenge on Salisbury Plain, Salisbury, southern England March 20, 2015. (Photo by Kieran Doherty/Reuters)

A person holds up a strip of exposed photographic film to observe a partial solar elcipse in Szczecin March 20, 2015. (Photo by Agencja Gazeta/Reuters)

A girl uses a welding mask to view a partial solar eclipse from Bradgate Park in Newtown Linford, central England March 20, 2015. (Photo by Darren Staples/Reuters)

A total solar eclipse occurs over Svalbard March 20, 2015. (Photo by Haakon Mosvold Larsen/Reuters/NTB Scanpix)

People watch a partial solar eclipse from the grounds of Belfast Zoo, in Belfast March 20, 2015. (Photo by Cathal McNaughton/Reuters)

A total solar eclipse is seen in Longyearbyen on Svalbard, Norway March 20, 2015. (Photo by Jon Olav Nesvold/Reuters/NTB Scanpix)

A woman watches a partial solar eclipse in Budapest March 20, 2015. (Photo by Laszlo Balogh/Reuters)

People look at a total solar eclipse on Svalbard March 20, 2015. (Photo by Haakon Mosvold Larsen/Reuters/NTB Scanpix)

Children react as they wear protective glasses to watch a partial solar eclipse in a square of Pontevedra in the northwest Spain March 20, 2015. (Photo by Miguel Vidal/Reuters)

School children look through home-made protective viewing devices during a partial solar eclipse in Vienna March 20, 2015. (Photo by Leonhard Foeger/Reuters)

A partial solar eclipse is seen through clouds in Sarajevo March 20, 2015. (Photo by Dado Ruvic/Reuters)

Italian pupils use a a pair of solar viewing glasses to observe a partial solar eclipse in Vienna March 20, 2015. (Photo by Leonhard Foeger/Reuters)

A bird rests on a branch as a partial solar eclipse is seen, near Bridgwater, in south western England, March 20, 2015. (Photo by Toby Melville/Reuters)

A woman uses a solar viewing filter to observe a partial solar eclipse in Vienna March 20, 2015. (Photo by Leonhard Foeger/Reuters)

People use a kitchen colander to cast shadows on to white paper during a partial solar eclipse in Vienna March 20, 2015. (Photo by Leonhard Foeger/Reuters)

A girl looks up to try to view a partial solar eclipse outside the Planetarium of the Royal Observatory of Belgium in Brussels March 20, 2015. The total eclipse is visible in parts of the north Atlantic and Scandinavia, and with a 80-85 percent partial eclipse across Belgium. (Photo by Yves Herman/Reuters)

A man uses a welding face mask to observe a partial solar eclipse in Viennaa March 20, 2015. (Photo by Leonhard Foeger/Reuters)

A man watches the partial solar eclipse with binoculars in Zagreb March 20, 2015. (Photo by Antonio Bronic/Reuters)

A cross on the dome of the Cathedral of Christ the Saviour is seen during a partial solar eclipse in Moscow, March 20, 2015. A solar eclipse thrilled thousands of sky gazers on remote Arctic islands on Friday but clouds disappointed some viewers of a rare celestial show that was also partly visible for millions in Europe, Africa and Asia. (Photo by Maxim Shemetov/Reuters)

Amateur astronomers and students use a telescope to watch a partial eclipse of the sun in Athens March 20, 2015. (Photo by Yannis Behrakis/Reuters)

A woman uses a special solar visor as she look at a partial solar eclipse in a square of Pontevedra in the northwest Spain March 20, 2015. (Photo by Miguel Vidal/Reuters)

A partial solar eclipse is seen over a statue at the Mausoleum of Hadrian, usually known as Castel Sant'Angelo, in Rome March 20, 2015. (Photo by Yara Nardi/Reuters)

A man uses a special solar visor as he looks at a partial solar eclipse in a square of Pontevedra in the northwest Spain March 20, 2015. (Photo by Miguel Vidal/Reuters)

A partial solar eclipse is seen over a statue at the Mausoleum of Hadrian, usually known as Castel Sant'Angelo, in Rome March 20, 2015. (Photo by Yara Nardi/Reuters)

A partial solar eclipse is seen over St.Peter's Basilica in Rome March 20, 2015. (Photo by Yara Nardi/Reuters)

Amateur astronomers and students use a telescope to watch a partial eclipse of the sun in Athens, March 20, 2015. (Photo by Yannis Behrakis/Reuters)

A man watches a partial solar eclipse looking through a floppy disc from the medieval Charles Bridge in Prague March 20, 2015. (Photo by David W. Cerny/Reuters)

Birds fly and settle on trees in front of a partial solar eclipse, near Bridgwater, in south western England, March 20, 2015. (Photo by Toby Melville/Reuters)

People look up to view a partial solar eclipse around the Giza Pyramids, on the outskirts of Cairo, March 20, 2015. (Photo by Amr Abdallah Dalsh/Reuters)

A star on the top of the tower of the Kremlin is seen during a partial solar eclipse in central Moscow, March 20, 2015. (Photo by Tatyana Makeyeva/Reuters)

A student observes the shadow of a partial eclipse cast on to white paper, at the Astronomical Observatory in Bialystok, Poland March 20, 2015. (Photo by Agencja Gazeta/Reuters)

Members of military band look up to view a partial solar eclipse before a welcoming ceremony for Turkey's President Tayyip Erdogan in the Ukrainian capital Kiev March 20, 2015. (Photo by Gleb Garanich/Reuters)

A solar eclipse is viewed by ESA's Sun-watching Proba-2 minisatellite, using it's SWAP imager to capture the Moon passing in front of the Sun in a near-totality, in this handout image provided by the Royal Observatory of Belgium March 20, 2015. SWAP views the solar disc at extreme ultraviolet wavelengths to capture the turbulent surface of the Sun and its swirling corona. (Photo by Reuters/ESA/Royal Observatory of Belgium)

A woman looks at a partial solar eclipse through a camera's lens in central park in Minsk March 20, 2015. The moon covered about 70 percent of the sun in the capital of Belarus. (Photo by Vasily Fedosenko/Reuters)

A combination photo shows the various stages of a solar eclipse as viewed by ESA's Sun-watching Proba-2 minisatellite, using it's SWAP imager to capture the Moon passing in front of the Sun to a near-totality, in this handout image provided by the Royal Observatory of Belgium March 20, 2015. (Photo by Reuters/ESA/Royal Observatory of Belgium)

A view from a plane during the so-called “Eclipse Flight” from the Russian city of Murmansk to observe the solar eclipse above the neutral waters of the Norwegian Sea, March 20, 2015. (Photo by Sergei Karpukhin/Reuters)

The shadow of a partial eclipse is cast on to the cheek of a student on the roof of the Jana Dlugosza Academy in Czestochowa, Poland March 20, 2015. (Photo by Grzegorz Skowronek/Reuters/Agencja Gazeta)

People take pictures onboard a plane during the so-called “Eclipse Flight” from the Russian city of Murmansk, to observe the solar eclipse above the neutral waters of the Norwegian Sea, March 20, 2015. (Photo by Sergei Karpukhin/Reuters)

A T-shirt and other items of eclipse merchandise are displayed for sale in a store in Torshavn, the capital city of the Faeroe Islands, Thursday, March 19, 2015. For months, even years, accommodation on the remote Faeroe Islands has been booked out by fans who don't want to miss an almost three-minute-long astronomical sensation. Now they just have to hope the clouds will blow away so they can fully experience Friday's brief total solar eclipse. (Photo by Matt Dunham/AP Photo)

A man uses a dental X-ray to better observe the solar eclipse in Kosovo capital Pristina on Friday, March 20, 2015. Clouds moving over the country allowed only brief views of the eclipse which in southern Europe was partial. (Photo by Visar Kryeziu/AP Photo)

A solar eclipse is seen through a dark glass plate in Sarajevo, Bosnia, on Friday , March 20, 2015. Solar eclipse is darkening parts of Europe on Friday in a rare solar event that won't be repeated for more than a decade. (Photo by Amel Emric/AP Photo)

A woman stops to watch a solar eclipse outside a shopping mall in Bucharest, Romania, Friday, March 20, 2015. Clouds obscured the sun for most of the time the eclipse took place. Sign reads “Don't look directly at the sun, danger of blindness”. (Photo by Vadim Ghirda/AP Photo)

A dog, named Patatte, has protective glasses put on by her owner during a solar eclipse in the sky in Nice, southeastern France, Friday, March 20, 2015. An eclipse is darkening parts of Europe on Friday in a rare solar event that won't be repeated for more than a decade. (Photo by Lionel Cironneau/AP Photo)

A person uses a pair of binoculars to watch the moon pass infront of the Earth's star marking a total eclipse, the only one this year, in Vigo, northwestern Spain on March 20, 2015. The Norwegian archipelago of Svalbard, located 1,300 kilometres (800 miles) from the North Pole, is along with the Faroe Islands the only place the total eclipse will be visible, assuring three minutes of total darkness when the moon totally blocks the sun. (Photo by Miguel Riopa/AFP Photo)

A solar eclipse is seen through a dark glass plate in Sarajevo, Bosnia, on Friday, March 20, 2015. Solar eclipse is darkening parts of Europe on Friday in a rare solar event that won't be repeated for more than a decade. (Photo by Amel Emric/AP Photo)

A partial solar eclipse of the sun is visible in Infante D Henrique square in Porto, North of Portugal, 20 March 2015. A Partial Solar Eclipse is seen in Europe, northern and eastern Asia and northern and western Africa on 20 March 2015. (Photo by Nuno Veiga/EPA)

Bosnian people watch a solar eclipse in Sarajevo, Bosnia, on Friday , March 20, 2015. Solar eclipse is darkening parts of Europe on Friday in a rare solar event that won't be repeated for more than a decade. (Photo by Amel Emric/AP Photo)

People observe the solar eclipse in Milan on March 20, 2015. (Photo by Fotogramma/Splash News)