Aurora vs Bom Jesus da Lapa

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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

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Bom Jesus da Lapa is a municipality in Bahia, Brazil located 796 kilometres (495 mi) from the state capital. The population as of 2014 was recorded at 68,922 according to the Brazilian Institute of Geography and Statistics. The city covers a total area of 4,115.5 square kilometres (1,589.0 sq mi) along the banks of the São Francisco River. Its economy is based on agriculture, commerce, tourism and fishing. The current mayor is Eures Ribeiro Pereira. It is the site of the Roman Catholic Diocese of Bom Jesus da Lapa.

The city is home to the third largest Catholic festival in Brazil, known as the Romaria (Portuguese for "Procession" or "Pilgrimage") of Bom Jesus drawing as many as 800,000 visitors or "Romeiros" to the city annually. For this reason, the city is known as "Capital Baiana da Fé" (The Bahian Capital of Faith). Bom Jesus da Lapa is distinguished by other cities in the region by its Gothic style wall and nearby caves.

Source: Wikipedia