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achernar distance from earth

All messages will be reviewed before being displayed. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. Achernar is a blue-white star 139 light years from Earth, it rotates very rapidly, and therefore is oval, and has a sister, Achernar B, and they both orbit at a distance of only 12 AU.. She is the least spherical star in the Milky Way, so she became the leader of the Oval Stars Community.. It is purely that the distance was recalculated. Using the original Hipparcos data that was released in 1997, the parallax to the star was given as 22.68000 which gave the calculated distance to Achernar as 143.81 light years away from Earth or 44.09 parsecs. Achernar /ˈeɪkərnɑːr/ is the primary (or 'A') component of the binary system designated Alpha Eridani (α Eridani, abbreviated Alpha Eri, α Eri), which is the brightest star in the constellation of Eridanus, and the ninth-brightest in the night sky. All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. Based on the star's spectral type of B3Vp , Achernar's colour and type is blue main sequence star. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. Achernar, also called Alpha Eridani, brightest star in the constellation Eridanus and the ninth brightest star in the sky. Achernar, Alpha Eridani (α Eri), is a class B hydrogen-fusing dwarf located in the constellation Eridanus. The star is a eruptive Irregular variable type which means that its size changes over time. Achernar has an apparent magnitude of 0.45 which is how bright we see the star from Earth. is from There's no register feature and no need to give an email address if you don't need to. Our editors update and regularly refine this enormous body of information to bring you reliable information.Infoplease is part of the FEN Learning family of educational and reference sites for parents, teachers and students.FEN Learning is part of Sandbox Networks, a digital learning company that operates education services and products for the 21st century. Welcome Achernar! Since it is actually a binary star, its highly distorted shape may cause non-negligible departures of the companion's orbital trajectory with respect to a Keplerian ellipse.

The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Achernar The star a Eridani, visual mag. The two stars, Achernar A (seven times the mass of the sun) and Achernar B (the smaller one), rotate about 6.7 the earth-sun’s distances. The 9th luminous, binary star system in all the heavens. Achernar is the ninth-brightest star in the sky and has a luminosity over a thousand times that of the Sun. Achernar sometimes spelled Achenar, is the brightest star in the constellation Eridanus.It is approximately 144 light years from us. It is the brightest star in Centaurus constellation and the third brightest star in sky. The entire star is surrounded by an extended envelope that can be detected by its The first star catalogue to contain Achernar in the chart of Eridanus is Johann Bayer's Alpha Eridani will continue to move north in the next few millennia, rising from Crete about 500 years hence before reaching its maximum northern declination between the 8th and 11th millennia, when it will be visible as far north as The ten brightest stars in the nighttime sky in terms of apparent magnitude are, from brightest to least brightest, calculated by Stellarium 0.13, an open source sky mapping app. The Sun's Mass is 1,989,100,000,000,000,000,000 billion kg. The Variable Type is usually named after the first star of that type to be spotted. A faint star will have a high number. Comments may be merged or altered slightly such as if an email address is given in the main body of the comment.You can decline to give a name which if that is the case, the comment will be attributed to a random star.

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