The spin histories of PSR1821-24 in M28 and PSR1951+32 in CTB80
The spin of comets
The Spin Rates of Small Near-Earth Asteroids
The Spin-orbit resonance of Mercury: a Hamiltonian approach
The Spiral Wave of our Galaxy near Inner Lindblad Resonance
The Spiralling Binary System of Black Holes.
The SPIRE Instrument for Herschel
The SPIRE Instrument on HERSCHEL
The Spitzer Asteroid Catalog
The Spitzer Asteroid Catalog II: 10,000 more asteroids
The Spitzer Asteroid Catalog III: The Pan-STARRS 1 era
The Spitzer Atlas of Stellar Spectra (SASS)
The Spitzer First Look Survey Extragalactic SED Database
The Spitzer Interacting Galaxies Survey : Investigating the connection between activity and galaxy interactions
The Spitzer Science Center: system description and lessons learned due to two years of operations
The Spitzer Science Center: using metrics analysis to improve system stability
The Spitzer science operations system: how well are we really doing?
The Spitzer Space Telescope's performance: getting the most out of a great observatory
The Spitzer Space Telescope: The First Nine Months
The Spitzer Spectroscopic Stellar Atlas