This NASA website shows how astronomers observe the heavens across the whole spectrum of electromagnetic radiation. Text and diagrams explain how various kinds of telescopes are designed to observe radiation at particular wavelengths. Photographs show various telescopes, both on Earth and in orbit.
Science@NASA. It takes more than one kind of telescope to see the light. Greenbelt: Science@NASA, April 20, 1999. http://spacescience.spaceref.com/newhome/headlines/features/ast20apr99_1.htm (accessed 31 July 2016).
%0 Electronic Source %D April 20, 1999 %T It takes more than one kind of telescope to see the light %I Science@NASA %V 2016 %N 31 July 2016 %8 April 20, 1999 %9 text/html %U http://spacescience.spaceref.com/newhome/headlines/features/ast20apr99_1.htm
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