A Graceful Arc . ... Credit Copyright: Tony Hallas Explanation: The graceful arc of the Milky Way begins and ends at two mountain peaks in this solemn night sky panorama. Created from a 24 frame mosaic, exposures tracking Earth and sky were made separately, with northern California's Mount Lassen at the left and Mount Shasta at the far right, just below the star and dust clouds of the galactic center. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...