From today's featured article
Diagram of Ursa Minor's seven brightest stars, forming the shape of a "Little Dipper"
Ursa Minor (Little Bear) is a constellation in the northern sky. It is colloquially k
Sunday, January 10, 2016
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From today's featured article
Diagram of Ursa Minor's seven brightest stars, forming the shape of a "Little Dipper"
Ursa Minor (Little Bear) is a constellation in the northern sky. It is colloquially known as the Little Dipper because its seven brightest stars appear to form the shape of a ladle (diagram pictured). It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations. Polaris, its brightest star, is currently less than one degree away from the north celestial pole. Because this position stays nearly fixed as the Earth rotates, the star has traditionally been important for navigation, particularly by mariners. Polaris is a yellow-white supergiant and the brightest Cepheid variable star in the night sky, ranging in apparent magnitude from 1.97 to 2.00. Beta Ursae Minoris, also known as Kochab, is an aging star that has swollen and cooled to become an orange giant with an apparent magn
Welcome to Wikipedia,
the free encyclopedia that anyone can edit.
5,051,980 articles in English
Arts
Biography
Geography
History
Mathematics
Science
Society
Technology
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From today's featured article
Diagram of Ursa Minor's seven brightest stars, forming the shape of a "Little Dipper"
Ursa Minor (Little Bear) is a constellation in the northern sky. It is colloquially known as the Little Dipper because its seven brightest stars appear to form the shape of a ladle (diagram pictured). It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations. Polaris, its brightest star, is currently less than one degree away from the north celestial pole. Because this position stays nearly fixed as the Earth rotates, the star has traditionally been important for navigation, particularly by mariners. Polaris is a yellow-white supergiant and the brightest Cepheid variable star in the night sky, ranging in apparent magnitude from 1.97 to 2.00. Beta Ursae Minoris, also known as Kochab, is an aging star that has swollen and cooled to become an orange giant with an apparent magn
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Welcome to Wikipedia,
the free encyclopedia that anyone can edit.
5,051,980 articles in English
Arts
Biography
Geography
History
Mathematics
Science
Society
Technology
All portals
From today's featured article
Diagram of Ursa Minor's seven brightest stars, forming the shape of a "Little Dipper"
Ursa Minor (Little Bear) is a constellation in the northern sky. It is colloquially known as the Little Dipper because its seven brightest stars appear to form the shape of a ladle (diagram pictured). It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations. Polaris, its brightest star, is currently less than one degree away from the north celestial pole. Because this position stays nearly fixed as the Earth rotates, the star has traditionally been important for navigation, particularly by mariners. Polaris is a yellow-white supergiant and the brightest Cepheid variable star in the night sky, ranging in apparent magnitude from 1.97 to 2.00. Beta Ursae Minoris, also known as Kochab, is an aging star that has swollen and cooled to become an orange giant with an apparent magn
