Labels:encyclical | pier | pole | reckoner | rock | sea | sky | skyscraper | water OCR: radio Graham discovered source in the constellati urce Cassiopeia. They called iers, Cassiopeia Other astr ipted using optical telescopes, to locate the object visu found nothing It was empty waves were emanating space. In 1951 with the help inch Falornar telescope astrononers W Baade Minl kowski were able ver faint, wispy nebula VS13 Subsequent spectroscopi indica ted that the nebul ns of unusually strong concel heavy elenents These constellat npted obiect heli Palomar astronomers tify fairt lysis nebu conce elements