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Anonymous users2024-02-08Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Ceres, Vesta, Cowherd, Vega, Sirius, Arcturus, North Star, Big Dipper (a total of seven stars, namely: Tianshu, Tianquan, Tianji, Tianxuan, Yuheng, Kaiyang, Yaoguang), Old Man, Tianjin.
Fourth, the North River. 2. North River.
3. Xuanyuan. Ten.
4. Betelgeuse. 7. Betelgeuse. Fourth, Antares second-class.
Stars are divided by type: stars, planets, moons, dwarf planets (this classification is only in the solar system), small bodies (asteroids, comets, etc.);
Stars are divided into stages: novae, main-sequence stars, red giants, supernovae (divided into the following types) - 1 white dwarf, 2 neutron stars; 3 black holes;
Stars are divided by size: (maroon-red) dwarf, (blue, blue-white, yellow, red) giant, (blue, red) supergiant;
Stars are divided into o, b, a, f, g, k, m and additional types such as r, n, and s according to the spectrum;
Stars are divided into combinations: single stars, double stars, clusters and clusters;
Other classifications of stars: non-variable, variable;
Variable stars are divided into: Cepheid variables, eclipse variables;
Planets are divided into Jupiter-like planets and terrestrial planets according to their composition and volume.
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Anonymous users2024-02-07The names of the stars are: Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Ceres, Vesta, Cowherd, Vega, Sirius, Arcturus, Polaris, Big Dipper, Big Dipper (a total of seven stars, namely: Tianshu, Tianquan, Tianji, Tianxuan, Yuheng, Kaiyang, Yaoguang), Old Man Star, Tianjin.
Fourth, the North River. 2. North River.
3. Xuanyuan. Ten.
4. Betelgeuse. 7. Betelgeuse. Fourth, Antares second-class.
Stars are divided by type: stars, planets, moons, dwarf planets (this classification is only in the solar system), small bodies (asteroids, comets, etc.);
Stars are divided into stages: novae, main-sequence stars, red giants, supernovae (divided into the following types) - 1 white dwarf, 2 neutron stars; 3 black holes;
Stars are divided by size: (maroon-red) dwarf, (blue, blue-white, yellow, red) giant, (blue, red) supergiant;
Stars are divided into o, b, a, f, g, k, m and additional types such as r, n, and s according to the spectrum;
Stars are divided into combinations: single stars, double stars, clusters and clusters;
Other classifications of stars: non-variable, variable;
Variable stars are divided into: Cepheid variables, eclipse variables;
Planets are divided into Jupiter-like planets and terrestrial planets according to their composition and volume.
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Anonymous users2024-02-061. Tianxuan, the name of the star, is one of the seven stars of the Big Dipper, that is, the second of the Big Dipper, in the north of Taiwei. Ursa Major, also known as Merak, is derived from the Arabic word for "bear's" and is located in the constellation Ursa Major, which is the constellation of the Northern Arch Pole.
Sky Xuan is light-years away from the Sun (parsec) and has an apparent magnitude of +, which is visible to the naked eye. As a member of the Big Dipper, Sky Xuan is better known in the Northern Hemisphere. Sky Xuan is adjacent to Ursa Major (constellation Ursa Major), and the extension line of the two stars points to the North Star.
It is also one of five moving asterisms in the Great Big Dipper constellation of Ursa Major, a group of stars that share the same space, but are not in the same area of the celestial sphere in our view.
2. Vega, also known as Vega or Lyrae, is the brightest star in the constellation Lyra, located about 25 light-years from Earth.
Due to its extremely high rotation speed, it exhibits a pronounced oblate spherical leakage, with a radius of 19% greater than the polar radius.
3. Fomalhaut (Oscaria Persis) is the main star of the constellation Ostellaria Oscarata, about light-years away from the Earth. It is a first-magnitude star, and it is the 18th bright star that can be seen on Earth in addition to the Sun.
Fourth, the North Star refers to the star closest to the North Celestial Pole, so the North Star is not constant, and what it refers to at this stage is "Gou Chen Yi". Located about 434 light-years from Earth and with a diameter of about 52 million kilometers, Polaris is slightly more than four times the mass of the Sun, making it a star with a relatively stable brightness and position that can be seen in the night sky.
5. Cassiopeia star, the fifth star in Cassiopeia is a bright star, with a visual magnitude of +. It is a blue giant of type B3III, 420 light-years away. The star has 8 times the mass of the Sun and is 2,500 times brighter than the Sun.
It is a young star, about 25 million years old.
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