NASA Spitzer Space Telescope
http://spitzer.caltech.edu/
Spitzer Detects the 'Heartbeat' of Star Formation in the Milky Way Galaxy - NASA Spitzer Space Telescope
http://spitzer.caltech.edu/news/1066-feature10-03-Spitzer-Detects-the-Heartbeat-of-Star-Formation-in-the-Milky-Way-Galaxy