… Type I tails are gaseous and contain carbon monoxide ions (CO + ) , and their spectrum shows strong emission lines in the violet to green wavelength range. In 1950, German L. Biermann proposed the idea that the gas coming out of the coma under the pressure of the sun's light is carried by a flow of charged particles called the "solar wind" at speeds of 200 to 1,000 km per second. Some tails were longer than 300 million km. … *Some of the terminology that mentions "Biermann, L." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… タイプIの尾は気体であって,一酸化炭素イオンCO+が含まれ,スペクトルには紫色から緑色の波長域に強い輝線群を示す。太陽の光圧を受けてコマから出た気体は“太陽風”と呼ばれる荷電粒子の流れにのって,秒速200~1000kmの速さで吹きながされているとの考えを,1950年にドイツのビールマンL.Biermannが唱えた。尾の長さは3億kmを超すものもあった。… ※「Biermann,L.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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