来源:Frontiers in Astronomy and Space Sciences , 2017
作者:Ferreira, Ricardo B., Ferreira, Joã
关键词:Astronomy;Biology;...
使用许可:CC BY
来源:Frontiers in Astronomy and Space Sciences , 2017
作者:Foschini, Luigi
关键词:relativistic jet;Blazar;...
使用许可:CC BY
来源:Frontiers in Astronomy and Space Sciences , 2017
作者:Raimundo, Sandra I.
关键词:active galactic nuclei;black hole;...
使用许可:CC BY
来源:Frontiers in Astronomy and Space Sciences , 2017
作者:Panda, Swayam;Karas, Vladimir;Czerny, Bozena;等
关键词:emission lines;active galactic nuclei;...
使用许可:CC BY
来源:Frontiers in Astronomy and Space Sciences , 2017
作者:Raimundo, Sandra I.
关键词:active galactic nuclei;black hole;...
使用许可:CC BY
来源:Frontiers in Astronomy and Space Sciences , 2017
作者:Foschini, Luigi
关键词:relativistic jet;Blazar;...
使用许可:CC BY