Áá Nagyá
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Galaxy Hercules A in the constellation Hercules emits plasma jets nearly one million lightyears long   Image credit: NASA/ESA Hubble Space Telescope

Jets Of Relativistic Plasma Created By A Supermassive Black Hole At The Center Of 348 (A Galaxy In The Hercules Cluster). The Jets Extend More Than A Million Light Years Into Intergalactic Space. (From Hubble Space Telescope)

Lava Lake --Erta Ale, Ethiopia...

Erta Ale, Afar Region, Ethiopia - is a continuously active basaltic shield volcano and the most active volcano in Ethiopia.