The nebula known as W51 is one of the most active star-forming regions in the Milky Way galaxy. First identified in 1958 by radio telescopes, it makes a rich cosmic tapestry in this image from NASA's recently retired Spitzer Space Telescope.
My Long-Distance Relationship With Spitzer
About six years ago, I was fortunate to have been given a chance to join the Spitzer Operations team. I had two jobs on Spitzer: sequencing and flight control.































