Labels:bulletin board | daily | encyclical | fence | pier | pole | reckoner | sea | sky | skyscraper | water OCR: 1976, astrononers as M42 or is a huge stellar nursery thousands of young stars ons forning. In this image the clouds of gas are seer gas ionized hydrogen and eveals Close scrutiny of the nel violent pheno mena the young stars on the ga.s cl violet M42 shines because of radiation ermitted by the Trapeziurm,a cluster of tarme hundred stars that draw frorm its four brightest 8.13 The brightest and young stars the cluster, known as iation emit invisible ultraviole that heats the suroundi and dust causine therm Unor astronomers nurser star forming voune emitted Trapezium burdred drau from brichtest voun knowr ermit ultraviol them