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English: 04-Feb-2010: Using data from the NASA/ESA Hubble Space Telescope, astronomers have, for the first time, created a demographic census of galaxy types and shapes from a time before the Earth and the Sun existed, to the present day. The results show that, contrary to contemporary thought, more than half of the present-day spiral galaxies had so-called peculiar shapes only 6 billion years ago, which, if confirmed, highlights the importance of collisions and mergers in the recent past of many galaxies. It also provides clues for the unique status of our own galaxy, the Milky Way.
|Date||4 February 2010|
|Source||News Release - heic1002: Forming the present-day spiral galaxies|
|Author||NASA, ESA, Sloan Digital Sky Survey, R. Delgado-Serrano and F. Hammer (Observatoire de Paris)|
(Reusing this file)
Creative Commons Attribution 3.0 Unported
|Color space information||65535|
|Exif image width||2481|
|Exif image length||3508|
|Software used||Adobe Photoshop CS4 Macintosh|
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