| This image, utilized as part of the title bar, is of the Hubble Space Telescope in orbit around the Earth. From its vantage above Earth's distorting atmosphere HST obtains sharper images than other telescopes. Faculty and students at WSU use HST data for research projects. |  |
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Also used in the title-bar image is rich galaxy cluster Abell 2218. Each fuzzy object is a galaxy of hundreds of billions of stars. "Stretched"-looking galaxies are ones that are further from us than the main cluster: their images are distorted by the gravitational field of the cluster in a way predicted by Albert Einstein called "gravitational lensing." This is a Hubble Space Telescope image. |
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| Copyright | PoliciesAstronomy Program, Department of Physics, 1245 Webster Hall, Washington State University, Pullman, WA, 99164-2814 USA