| Show I i i i I i I Radio 1 Astronomy Professor John D D. D Kraus dIrector dI- dI rector ot of the Radio at Ohio State University recently recently re- re reviewed progress In the field of radio astronomy ence and Technology Review a science publication ln an article arti- arti cle wrItten for the general pub pub- lic KRAUS SAYS radio astronomy astronomy astron astron- omy detecting radio emIssions emissions emIs- emIs of thousands of astronomical astro- astro objects whose presence was as unsuspected a few years ago Is a rapidly developing scIence He explains how radio telescopes are now being used In conjunction with visual tele- tele telescopes scopes to add a new dimension to space research Radio telescopes operate at wavelengths that are millions ot of otI times longer than light waves of optical telescopes and the they yield a picture of the universe that Is strikingly new and different different dif dif- ferent In the prote professors professor's s SOl s words THE NEW science r reminds us once again of the insignificance ot of man for radio astronomy has demonstrated that the light I ot of many stars and galaxies as seen on optical telescopes actually actually ac- ac represents bodies and gases extending far beyond original original or- or estimates No one yet knows how far this radIo astronomy astronomy astron astron- omy universe extends The power of the radio emis- emis is also a source ot of wondel won won- del der The radio power output of ofa a typical source Is equIvalent to the energy released by a billion hydrogen bombs exploding exploding ing every second for tor millions ot of years I THESE NEW theories and discoveries are of course beyond be- be I yond the human imagination but the relatively new field of radio astronomy Is opening new pages In our understanding of the unI- unI verse and demonstrating anew to all the wonders or of the universe uni- uni verse vers In which we live and the i creation b 7 f Lr r ff h t b i i 7 r- r r r I r w t t t r |
