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Hace 1 día · Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of the photosphere is approximately 6,000 K, whereas the temperature of the corona reaches 1,000,000–2,000,000 K. The high temperature of the corona shows that it is heated by something other than direct heat conduction from the photosphere. It is thought that the energy ...
Hace 2 días · Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of 22,000 species have been classified.
Hace 1 día · Part (s) of plant. Fruit. Uses. Food. A banana is an elongated, edible fruit – botanically a berry [1] – produced by several kinds of large herbaceous flowering plants in the genus Musa. In some countries, cooking bananas are called plantains, distinguishing them from dessert bananas. The fruit is variable in size, color, and firmness, but ...
Hace 1 día · Morocco is a Northern African country, bordering the North Atlantic Ocean and the Mediterranean Sea, between Algeria and the annexed Western Sahara. It is one of only three nations (along with Spain and France) to have both Atlantic and Mediterranean coastlines. [96] A large part of Morocco is mountainous.
Hace 1 día · Geneva. / 46.20167°N 6.14694°E / 46.20167; 6.14694. Geneva ( / dʒəˈniːvə / jə-NEE-və, [5] Arpitan: [dzəˈnɛva] ⓘ; French: Genève [ʒənɛv] ⓘ) [note 1] is the second-most populous city in Switzerland (after Zürich) and the most populous of the French-speaking Romandy. Situated in the southwest of the country, where the ...
Hace 2 días · Science is a strict systematic discipline that builds and organizes knowledge in the form of testable hypotheses and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals and ...
Hace 4 días · Nero Claudius Caesar Augustus Germanicus ( / ˈnɪəroʊ / NEER-oh; born Lucius Domitius Ahenobarbus; 15 December AD 37 – 9 June AD 68) was a Roman emperor and the final emperor of the Julio-Claudian dynasty, reigning from AD 54 until his death in AD 68. Nero was born at Antium in AD 37, the son of Gnaeus Domitius Ahenobarbus and Agrippina ...
