The Spitzer space telescope youngest member of Nasr's family of great observatories just turned fifteen Susan avation now bringing you stories behind the ideas that shave our future instead of calling it quits when Spitzer's supply of instrument cooling liquid helium ran out the observatory began using its infrared instruments to detect heat radiation emitted by warm objects rather than cold ones as a result Spitzer has far exceeded its life expectancy allowing scientists to witness star birth or find planets around other stars. Here's Dr Michael Warriner Spitzer project. Scientists are no conception at all be doing this for fifteen years as successfully as we have we've created a tremendous scientific instruments which produced a fantastic legacy that people use for generations. Another highlighted Spitzer in one which is certainly totally unexpected was our to map off the distribution stars through our. So Spitzer's gift to us is a beautiful map of the Milky Way. A three hundred sixty degree look at this part of the universe. We call for innovation. Now, I'm Jennifer poet innovation. Now is produced by the National Institute of aerospace through collaboration with NASA and is distributed by w HR V.