Labels:bulletin board | encyclical | fence | pier | pole | poster | reckoner | sea | sky | skyscraper | trade name | water OCR: 181 to the has proved inscrutable planetar expedition The which captured these planet. although sornet not visible to the naked discovered until 1781 amateur astrononner Herschel sawit throug telescope he had made Uranus appears distinci planetary through Eartl telescopes even (The alrmost featureless blue coloring is caused by II the planet's atnospher absorbs red light ard TE tum blue- -green.) In 1977 like ring was discovere airborme NASA obsery somme anmateur astronomer distinc throucl almost Hlue causec atmosuher licht rine airbome
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