WebSirius A Diameter: Approx 1.5 million miles (2.4 million km) - 171% x Sun Sirius B Diameter: Approx 7,300 miles (11,800 km) - 92% x Earth. Sirius A Temperature: Approx … WebMar 25, 2024 · White dwarf stars, so called because of the white colour of the first few that were discovered, are characterized by a low luminosity, a mass on the order of that of the Sun, and a radius comparable to that of Earth.
Betelgeuse and Rigel: A tale of the two brightest stars in Orion
WebAnother formula to find the circumference is if you have the diameter you divide the diameter by 2 and you get the radius. Once you have the radius you times the radius by 2 and times it by pie and then you get the circumference. Here are the two different formulas for finding the circumference: C = πd. C = 2πr. WebIf m1 and m2 are the magnitudes of two stars, then we can calculate the ratio of their brightness ( b 2 b 1) using this equation: m 1 − m 2 = 2.5 log ( b 2 b 1) or b 2 b 1 = 2.5 m … novant health bonus
Sirius vs. Sun - VS Pages
WebThe angular diameter, angular size, apparent diameter, or apparent size is an angular distance describing how large a sphere or circle appears from a given point of view. ... Thus the angular diameter of the Sun is about 250,000 times that of Sirius. (Sirius has twice the diameter and its distance is 500,000 times as much; ... WebAlso Known As: Polaris A, Alpha Ursae Minoris, Pole Star, North Star Distance From Earth: 430 light years Constellation: Ursa Minor Star Type: F Class Supergiant Mass: 4.5 x Sun Luminosity: 2,500 x Sun Diameter: 44 million miles (70 million km) - 50 x Sun Temperature: 5,700C (10,300F) Age: Unknown Rotation Period: 119 days WebJan 27, 2024 · Sirius, also known as the Dog Star or Sirius A, is the brightest star in Earth's night sky. The name means "glowing" in Greek — a fitting description, as only a few planets, the full moon and ... novant health bolivia nc obgyn