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The Winter Triangle is an astronomical asterism formed from three of the brightest stars in the winter sky. It is an imaginary isosceles triangle [a] drawn on the celestial sphere, with its defining vertices at Sirius, Betelgeuse, and Procyon, the primary stars in the three constellations of Canis Major, Orion, and Canis Minor, respectively. [1]
Taurus is a large and prominent constellation in the northern hemisphere's winter sky, between Aries to the west and Gemini to the east; to the north lies Perseus and Auriga, to the southeast Orion, to the south Eridanus, and to the southwest Cetus. In late November-early December, Taurus reaches opposition (furthest point from the Sun) and is ...
Winter constellations as seen from the tropics Flip book (158 images): Transit of Mars, Sun, Mercury, and Venus in 2017. The Winter Hexagon is an asterism appearing to be in the form of a hexagon with vertices at Rigel, Aldebaran, Capella, Pollux, Procyon, and Sirius. It is mostly upon the Northern Hemisphere's celestial sphere.
Dahl said the winter skies also feature some "very interesting and amazing constellations," including Orion, a hunter from Greek mythology, which features a distinctive belt of three stars, two ...
The constellation's three-letter abbreviation, as adopted by the International Astronomical Union in 1922, is "Ori". [2] Orion is most visible in the evening sky from January to April, [3] winter in the Northern Hemisphere, and summer in the Southern Hemisphere.
The bright star at top center is Alhena, which forms a cross-shaped asterism with the Winter Triangle. With an apparent magnitude of −1.46, Sirius is the brightest star in the night sky, almost twice as bright as the second-brightest star, Canopus. [72]
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At 65 degrees long and 40 degrees wide, the Winter Football covers almost half of the southern sky. 'Winter Football' constellation to be visible Super Bowl night. Here's where to look