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13 godz. temu · Sirius is the brightest star in the night sky.Its name is derived from the Greek word Σείριος (Latin script: Seirios), meaning lit. 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated α CMa or Alpha CMa.With a visual apparent magnitude of −1.46, Sirius is almost twice as bright as Canopus, the next brightest star.
13 godz. temu · Definition and basic operations Various complex numbers depicted in the complex plane. A complex number is an expression of the form a + bi, where a and b are real numbers, and i is an abstract symbol, the so-called imaginary unit, whose meaning will be explained further below.For example, 2 + 3i is a complex number. For a complex number a + bi, the real number a is called its real part, and ...
13 godz. temu · Before Narita opened, Tokyo International Airport (also known as Haneda Airport) was Tokyo's main international airport.Haneda, located in Tokyo Bay was surrounded by densely populated residential and industrial areas, and began to suffer capacity and noise issues in the early 1960s as jet aircraft became common. The Japanese transport ministry commissioned a study of alternate airport ...
13 godz. temu · Hearing loss is a partial or total inability to hear. Hearing loss may be present at birth or acquired at any time afterwards. Hearing loss may occur in one or both ears. In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties with social interaction and at work. Hearing loss can be temporary or permanent.
13 godz. temu · The Los Angeles Metro Rail is an urban rail transit system serving Los Angeles County, California in the United States. It consists of six lines: four light rail lines (the A, C, E and K lines) and two rapid transit lines (the B and D lines), serving a total of 101 stations.The system connects with the Metro Busway bus rapid transit system (the G and J lines), the Metrolink commuter rail ...
