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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]
In 2024, the winter solstice falls on Dec. 21, 2024, at 4:20 a.m. EST. Astronomical winter. ... it becomes much easier to calculate seasonal statistics from the monthly statistics, both of which ...
Winter constellations as seen from the tropics Flip book (158 images): Transit of Mars, Sun, Mercury, and Venus in 2017. The Winter Hexagon or Winter Circle/Oval 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 ...
Orion is a prominent set of stars visible during winter in the northern celestial hemisphere.It is one of the 88 modern constellations; it was among the 48 constellations listed by the 2nd-century astronomer Ptolemy.
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Circumpolar star trails in a long-exposure photo of several hours. The stars near the celestial pole leave shorter trails with the long exposure. A circumpolar star is a star that, as viewed from a given latitude on Earth, never sets below the horizon due to its apparent proximity to one of the celestial poles.
Here’s why this season is giving us the "winter blues." What is seasonal depression? Seasonal depression, or seasonal affective disorder (SAD), is a type of depression caused by the change in ...
Some constellations have only seasonal appearances, which help mark the passage of time. For example, Ullakut and Sakiattiak are only visible in the winter. Throughout winter, many stars within Tukturjuit were used as hour hands to keep track of time during the night or as calendar stars to determine the date.