Sopot vs Aurora

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Sopot [ˈsɔpɔt] (listen) (Kashubian: Sopòt; German: Zoppot, [ˈtsɔpɔt] (listen)) is a seaside resort city in Eastern Pomerania on the southern coast of the Baltic Sea in northern Poland, with a population of approximately 40,000. Sopot is a city with powiat (county) status, in Pomeranian Voivodeship. Until 1999 Sopot was part of the Gdańsk Voivodeship. It lies between the larger cities of Gdańsk to the southeast and Gdynia to the northwest. The three cities together make up the metropolitan area of Tri-City.

Sopot is a major health-spa and tourist resort destination. It has the longest wooden pier in Europe, at 515.5 metres, stretching out into the Bay of Gdańsk. The city is also famous for its Sopot International Song Festival, the largest such event in Europe after the Eurovision Song Contest. Among its other attractions is a fountain of bromide spring water, known as the "inhalation mushroom".

Source: Wikipedia

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An aurora (plural: auroras or aurorae), sometimes referred to as polar lights (aurora polaris), northern lights (aurora borealis), or southern lights (aurora australis), is a natural light display in the Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras are the result of disturbances in the magnetosphere caused by solar wind. These disturbances are sometimes strong enough to alter the trajectories of charged particles in both solar wind and magnetospheric plasma. These particles, mainly electrons and protons, precipitate into the upper atmosphere (thermosphere/exosphere).

The resulting ionization and excitation of atmospheric constituents emit light of varying color and complexity. The form of the aurora, occurring within bands around both polar regions, is also dependent on the amount of acceleration imparted to the precipitating particles. Precipitating protons generally produce optical emissions as incident hydrogen atoms after gaining electrons from the atmosphere. Proton auroras are usually observed at lower latitudes.

Source: Wikipedia