Biggest 3D galaxy map to probe dark energy’’s historyAugust 16th, 2008 - 8:01 pm ICT by ANI
Washington, Aug.16 (ANI): Cosmic cartographers are starting work on the biggest 3D map of the universe so far. It should reveal an undulating landscape sculpted by the big bang, and might give us a clue to the underlying shape of space and the nature of the “dark energy” that is blowing the universe apart.
The Sloan III project is the latest in a sequence of sky-surveys using a special wide-angle telescope sited in Sunspot, New Mexico.
Since the completion of the Sloan I and II surveys, the telescope’’s camera and optics have been updated, making it a more sensitive instrument. There has also been a shift in strategy, says Daniel Eisenstein, director of the new project at the University of Arizona in Tucson.
While much of the effort in the earlier surveys was devoted to relatively nearby galaxies, the biggest objective of Sloan III will be to chart the positions of more luminous galaxies out to a distance of about eight billion light years.
With the locations of millions of these galaxies pinpointed on such a large-scale map, the team expects to see a subtle pattern emerging.
They are looking for the relic of a much more ancient pattern, seen in the cosmic microwave background radiation that was emitted 380,000 years after the big bang.
The Sloan III survey will also look closer to home, mapping the Milky Way galaxy and monitoring 10,000 stars for evidence that they host giant planets. (ANI)
- Largest 3D map of universe unveiled - Aug 09, 2012
- Mapping 3D structure of Universe may shed new light on dark energy - Oct 02, 2009
- Scientists create largest-ever three-dimensional map of distant universe - May 02, 2011
- 10 new massive galaxy clusters discovered - Nov 02, 2010
- Herschel reveals how much dark matter it takes to form new galaxy - Feb 17, 2011
- ESA's Planck mission delivers first all-sky image - Jul 05, 2010
- NASA scientists' breakthrough in determining hyperactivity of black holes - Dec 21, 2010
- Stars forming 'much more rapidly than previously believed' - Dec 17, 2010
- Galaxies 'formed much earlier than thought' - Apr 13, 2011
- Most detailed 3D map of universe unveiled - May 04, 2011
- Now, measure universe 3 times farther using super-sharp radio 'eye' - Feb 21, 2011
- European Space Agency's Planck Telescope Sends Spectacular Image Of Universe - Jul 06, 2010
- Scientists image billion stars of Milky Way in detail - Mar 29, 2012
- Unusual cosmic lens discovered - Jul 17, 2010
- Boffins discover unusual cosmic lens - Jul 21, 2010
Tags: 3d map of the universe, big bang, cartographers, closer to home, cosmic microwave background, dark energy, eisenstein, giant planets, light years, luminous galaxies, map of the universe, microwave background radiation, milky way galaxy, nearby galaxies, sensitive instrument, sky surveys, subtle pattern, sunspot, university of arizona, wide angle