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1. INTRODUCTION
Pages 1-6

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From page 1...
... Navigators and explorers of the terrestrial globe found new conti.nents inhabited by strange and different peoples. The explorers of the sky, however, have an almost un· limited sample of nature to study.
From page 2...
... we first rose above our turbid atmosphere to observe the different radiation from the sky-gamma rays, x rays, and ultraviolet radiation-that are invisible from the surface of the earth. Soon we will observe stars and galaxies extensively at the far-infrared wavelengths that are also blocked from reaching the surface of the earth, as are long radio wavelengt.hs.
From page 3...
... By "cold" we mean ordinary stellar and interstellar matter, with temperatures from 50 million degrees down to a few degrees above absolute zero. Radio, cosmic-ray and x-ray observations, gravitational waves, and large parts of optical and infrared astronomy relate to the hot universe.
From page 4...
... Millimeter-wave radio telescopes have discovered com pletely unexpected complex organic molecules in the interstellar medium, not unlike essential constituents of biologically active tenutrial mole cules. Centimeter-wave radio telescopes halfway around the world from • each other operate together as interferometers to give much higher resolu tion than the finest optical photographs.
From page 5...
... The failure or federal support to increase significantly during the past few years has' had a particularly great impact on the support for young as· tronomers. In addition to large-scale facilities, we most strong,ly recommend increased funding of modest research grants to young people, as well as support of optical telescope auxiliaries and novel experimental facilities and programs in radio astronomy.
From page 6...
... one ultimate goal of which is a large space telescope. It must pr


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