The Ionization Gauge Investigation for the Streak Mission J. H. ClemmonsL. M. FriesenR. L. Bishop OriginalPaper 12 February 2009 Pages: 263 - 283
Time-Dependent Nuclear Decay Parameters: New Evidence for New Forces? E. FischbachJ. B. BuncherJ. R. Newport OriginalPaper 28 May 2009 Pages: 285 - 335
Solar Surface Magnetism and Irradiance on Time Scales from Days to the 11-Year Cycle V. DomingoI. ErmolliA. Vögler ReviewPaper Open access 24 July 2009 Pages: 337 - 380
The Pluto Energetic Particle Spectrometer Science Investigation (PEPSSI) on the New Horizons Mission Ralph L. McNutt Jr.Stefano A. LiviJon D. Vandegriff Erratum 04 June 2009 Pages: 381 - 381