Acknowledgments
"If I have seen further, it is by standing on the shoulders of giants."
-Isaac Newton in a letter to Robert Hooke in 1675 or 1676.

Jim Gray
WWT is dedicated to the vision and efforts of Jim Gray who inspired us to bring the stars within the reach of everyone.
Jim Gray's Research site
Jim Gray's Research site

Sloan Digital Sky Survey (SDSS)

National Optical Astronomy Observatory (NOAO)

Space Telescope Science Institute (STSci) (DSS data set)
- Frank Summers
- Brian McLean

Infrared Processing and Analysis Center (IPAC)
http://www.ipac.caltech.edu/

Infrared Science Archive (IRSA) at Caltech (2MASS and IRAS data sets)
http://www.caltech.edu/


- Alyssa Goodman
- August (Gus) Muench
- Doug Finkbeiner
- Roy Gould

National Aeronautics and Space Administration (NASA)
http://www.nasa.gov/home/index.html


U.S. Naval Observatory
http://aa.usno.navy.mil/index.php

Wilkinson Microwave Anisotrophy Probe (WMAP)
http://map.gsfc.nasa.gov/index.html

U.S. Geological Survey (USGS) Digital Elevation Model (DEM)
http://www.usgs.gov

Bing Maps
http://www.bing.com/maps/

Douglas Finkbeiner at Princeton University
For compositing the Virginia Tech Spectral line Survey (VTSS)
in the northern hemisphere, the Southern H-Alpha Sky Survey Atlas (SHASSA) in the southern hemisphere,
Hydrogen alpha (HA) filters, and the Wisconsin H-Alpha Mapper (WHAM) survey (H-A data set)
http://www.astro.princeton.edu/~dfink/halpha/

University of Wisconsin
http://www.astro.wisc.edu/wham/

Virginia Tech
http://www.phys.vt.edu/~halpha

Copenhagen University Observatory (CUO) and the U.S. Naval Observatory (USNO)
http://www.nbi.ku.dk

Astronomy Common Object Model (ASCOM)
http://ascom-standards.org/

International Virtual Observatory Alliance’s (IVOA))
http://www.ivoa.net/

VAMP project (classification)
http://virtualastronomy.org/

ESA/NASA Hubble
http://www.spacetelescope.org/


National Virtual Observatory(NVO)
http://voservices.net/Registry/index.aspx

Mark Crossley - Wilmslow Astro for proccessing of Hevelius artwork

Sky and Telescope
http://www.skyandtelescope.com/community/organizations
Image Credits for WorldWide Telescope Solar System Mode
- Milky Way Galaxy Model — Dr. Robert Hurt, Spitzer Science Center, CalTech
- Hiparcos Catalogs — European Space Agency
- Planetary Images — NASA Jet Propulsion Laboratory
- Cosmos Mode —
- Sloane Digital Sky Survey
- Miguel Angel Aragon Calvo, Department of Physics and Astronomy, Johns Hopkins University
- Mark SubbaRao, Adler Planetarium, Department of Astronomy and Astrophysics at the University of Chicago