File:Artist’s impression of a planet around Alpha Centauri B (symbolic, annotated).jpg
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[edit]DescriptionArtist’s impression of a planet around Alpha Centauri B (symbolic, annotated).jpg |
English: This artist’s impression shows the planet orbiting the star Alpha Centauri B, a member of the triple star system that is the closest to Earth. Alpha Centauri B is the most brilliant object in the sky and the other dazzling object is Alpha Centauri A. Our own Sun is visible to the upper right. The tiny signal of the planet was found with the HARPS spectrograph on the 3.6-metre telescope at ESO’s La Silla Observatory in Chile. In October 2015, astronomers from the University of Oxford published a scientific paper disproving the existence of the planet. They observed that an identical statistical analysis of randomly-generated synthetic data gave the same results as the actual astronomical data.[8] This led Xavier Dumusque, the lead author of the original paper, to concede "We are not 100 percent sure, but probably the planet is not there."
Deutsch: Diese künstlerische Darstellung symbolisiert einen Planeten, der den Stern Alpha Centauri B umläuft (dieser ist Teil eines Dreifachsternsystems, deren Mitglieder unsere nächsten Sternnachbarn sind). Das Bild wurde 2012 von der ESO anlässlich einer Entdeckungsmeldung für einen solchen Planeten veröffentlicht, die allerdings 2015 wieder zurückgezogen würde. Das Bild ist vom wissentschaftlichen Standpunkt her fehlerhaft: das Planetenbild müsste eine Überlagerung zweier Sicheln zeigen, deren Symmetrieachsen durch die Mittelpunkte der beiden jeweils verursachenden Stern verlaufen. |
Date | |
Source | ESO |
Author | ESO/L. Calçada/N. Risinger |
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[edit]This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. | |
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current | 18:37, 11 November 2012 | 4,000 × 2,500 (3.89 MB) | Stas1995 (talk | contribs) | ||
05:08, 17 October 2012 | 4,000 × 2,500 (3 MB) | Quantanew (talk | contribs) | User created page with UploadWizard |
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- File:Alpha Centauri B.jpg (file redirect)
- File:Artist’s impression of the planet around Alpha Centauri B (Annotated).jpg (file redirect)
- Category:Alpha Centauri B
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Source | European Southern Observatory |
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Credit/Provider | ESO/L. Calçada/Nick Risinger (skysurvey.org) |
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Date and time of data generation | 23:50, 16 October 2012 |
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Contact information |
Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |