ALEXIS was equipped with six coffee-can-sized telescopes that worked in pairs to make observations in the soft (longer wavelength) X-ray and extreme ultraviolet (EUV) part of the spectrum. Among its science objectives were to survey and map the diffuse soft X-ray component of the sky, to look at known bright EUV sources, to search for transient (fast changing) behavior, and to study stellar flares.
One of the first of the modern generation of miniature spacecraft, ALEXIS was designed and built over a three-year period by Los Alamos National Laboratory, Sandia National Laboratory, Space Sciences Laboratory at the University of California, Berkeley, and AeroAstro, Inc.
Related entry• X-ray satellites
Related category• SATELLITES AND SPACE PROBES
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