Last updated on April 20, 2014 at 8:28 EDT

HII Region Discovery Survey

January 14, 2013

The red areas mark locations of a string of newly-discovered HII regions stretching across a portion of the MIlky Way with the Green Bank and Arecibo radio telescopes.

CREDIT: HRDS Survey Team, NRAO/AUI/NSF (radio); Axel Mellinger (optical)