Astronomy & Observing News

Spitzer's Future Legacies

This space art shows the Spitzer Space Telescope superimposed upon a 100-micron infrared sky.Courtesy NASA/JPL/Caltech. The Spitzer Space Telescope (formerly SIRTF) is unique in how NASA allocating its observing time. Each member of the Spitzer science team has a limited amount of "guaranteed" observing time — roughly 20 percent of…

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