An Illustrated Guide to X-rays, Light and
NASA's Great Observatories

1		The Electromagnetic Spectrum The electromagnetic thermometer scale featuring CGRO, Chandra, HST, Spitzer & ALMA with multiwavelength images of the Milky Way. Gamma Ray: CGRO/EGRET; X-Ray: ROSAT/PSPC; Optical: Laustsen et al. Photomosaic; Infrared: IRAS; Radio: Bonn, J.Bank, & Parkes More information on the Multiwavelength Milky Way. (Credit: NASA/CXC/M. Weiss)
2		The Electromagnetic Spectrum The electromagnetic thermometer scale featuring CGRO, Chandra, HST, Spitzer & ALMA. X-rays associated with high temperatures about 10 million - 100 million K (Credit: NASA/CXC/M. Weiss)
3		The Electromagnetic Spectrum NASA's Great Observatories (CGRO, Chandra, HST and Spitzer) & the electromagnetic thermometer scale. X-rays are associated with high temperatures of about 10 million - 100 million K (credit: NASA/CXC/M.Weiss)
4		The Electromagnetic Spectrum NASA's Great Observatories (CGRO, Chandra, HST and Spitzer) & the electromagnetic thermometer scale. X-rays are associated with high temperatures of about 10 million - 100 million K (credit: NASA/CXC/M.Weiss)
5		The Electromagnetic Spectrum Electromagnetic thermometer scale. X-rays associated with high temperatures about 10 million - 100 million degrees K. (credit: NASA/CXC)
6		The Electromagnetic Spectrum Wavelengths and energies from gamma rays to radio. Telescopes include CGRO, Chandra, COBE, HST, Spitzer, EUVE & ALMA. (credit: NASA/CXC/M.Weiss)
7		The Electromagnetic Spectrum The wavelength of radiation produced by an object is usually related to its temperature. (Credit: NASA/CXC)
8		The Electromagnetic Spectrum Includes wavelengths and energies from radio to gamma rays. (Credit: NASA/CXC/S. Lee)
9		The Electromagnetic Spectrum Includes wavelengths and energies from radio to gamma rays. (Credit: NASA/CXC/S. Lee)
10		Baseball Field Imagine if you could see only a tiny sliver of a baseball field. You would never be able to figure out the rules of the game. In the same way, we need x-ray, gamma-ray, ultraviolet, infrared and radio telescopes to cover the full range of wavelengths to get an accurate picture of what is happening in the universe. (Credit: NASA/CXC/S.Wolk)
11		Baseball Field, Partially Blacked Out Imagine if you could see only a tiny sliver of a baseball field. You would never be able to figure out the rules of the game. In the same way, we need x-ray, gamma-ray, ultraviolet, infrared and radio telescopes to cover the full range of wavelengths to get an accurate picture of what is happening in the universe.
12		Baseball Field, Partially Covered Imagine if you could see only a tiny sliver of a baseball field. You would never be able to figure out the rules of the game. In the same way, we need x-ray, gamma-ray, ultraviolet, infrared and radio telescopes to cover the full range of wavelengths to get an accurate picture of what is happening in the universe.

The Chandra Mission X-ray Astronomy X-ray Sources Chandrasekhar Animations & Video Desktop Themes Presentations CXC Handouts