James' World 2

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A supernova (/ˌsuːpərˈnoʊvə/ plural: supernovae /ˌsuːpərˈnoʊviː/ or supernovas, abbreviations: SN and SNe) is a powerful and luminous stellar explosion. This transient astronomical event occurs during the last evolutionary stages of a massive star or when a white dwarf is triggered into runaway nuclear fusion. The original object, called the progenitor, either collapses to a neutron star or black hole or is completely destroyed. The peak optical luminosity of a supernova can be comparable to that of an entire galaxy before fading over several weeks or months.

Supernovae are more energetic than novae. In Latin, nova means “new”, referring astronomically to what appears to be a temporary new bright star. Adding the prefix “super-” distinguishes supernovae from ordinary novae, which are far less luminous. The word supernova was coined by Walter Baade and Fritz Zwicky in 1929.

The most recent directly observed supernova in the Milky Way was Kepler’s Supernova in 1604, but the remnants of more recent supernovae have been found. Observations of supernovae in other galaxies suggest they occur in the Milky Way on average about three times every century. These supernovae would almost certainly be observable with modern astronomical telescopes. The most recent naked-eye supernova was SN 1987A, the explosion of a blue supergiant star in the Large Magellanic Cloud, a satellite of the Milky Way.

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An image of a Supernova

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Vienna is the national capital, largest city, and one of nine states of Austria. Vienna is Austria’s most populous city, with about 2 million inhabitants (2.6 million within the metropolitan area, nearly one-third of the country’s population), and its cultural, economic, and political center. It is the 6th-largest city by population within city limits in the European Union.

Until the beginning of the 20th century, Vienna was the largest German-speaking city in the world, and before the splitting of the Austro-Hungarian Empire in World War I, the city had 2 million inhabitants. Today, it is the second-largest German-speaking city after Berlin. Vienna is host to many major international organizations, including the United Nations, OPEC, and the OSCE. The city is located in the eastern part of Austria and is close to the borders of the Czech Republic, Slovakia, and Hungary. These regions work together in a European Centrope border region. Along with nearby Bratislava, Vienna forms a metropolitan region with 3 million inhabitants. In 2001, the city center was designated a UNESCO World Heritage Site. In July 2017 it was moved to the list of World Heritage in Danger. Additionally, Vienna is known as the “City of Music” due to its musical legacy, as many famous classical musicians such as Beethoven and Mozart called Vienna home. Vienna is also said to be the “City of Dreams”, because of it being home to the world’s first psychoanalyst Sigmund Freud. Vienna’s ancestral roots lie in early Celtic and Roman settlements that transformed into a Medieval and Baroque city. It is well known for having played a pivotal role as a leading European music center, from the age of Viennese Classicism through the early part of the 20th century. The historic center of Vienna is rich in architectural ensembles, including Baroque palaces and gardens, and the late-19th-century Ringstraße lined with grand buildings, monuments, and parks.

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An image from Austria

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Consuegra windmills In the region of La Mancha, on the top of the hill Calderico, you can find one of the most impressive images of Spain, twelve windmills surround a huge fortress making an astonished icon in your mind. History, culture, and fiction comes together here. Welcome to Consuegra Consuegra windmills There is no feeling like driving your car on the highway with your sunglasses on while you breathing the pure air and suddenly, the landscape changes. The great flat land, the endless skyline where soil and sky connected appears in front of you, and in the distance twelve windmills and a huge castle on the top of a hill crowning the plain. You are arriving at the heart of Spain, you are in Consuegra It is Consuegra a town with a large history which goes back thousands of years. It is a place where you can relive the history and the tradition, understand not only the Spanish history but the human history too

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An image from Don Quixote Windmills Spain

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