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Spitzer and the Milky Way
An artist's impression shows NASA's Spitzer Space Telescope in front of a brilliant, infrared view of the Milky Way galaxy.
The mission marks the last of NASA's Great Observatories, a program that includes the Hubble Space Telescope, the Chandra X-Ray Observatory and the Compton Gamma-Ray Observatory.
In addition to studying many of the coldest, oldest and most dust-enshrouded objects and processes in the universe, the mission will also be an important part of NASA's Origins Program, which seeks to answer the questions: Where did we come from? Are we alone?
Image Credit: NASA
Credit: Jet Propulsion Laboratory
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