The Nordic Optical Telescope
The North American Nanohertz Observatory for Gravitational Waves
The NStED Periodogram Service and Interface for Public CoRoT Data
The Nuclear Spectroscopic Telescope Array (NuSTAR)
The observation of Extensive Air Showers from an Earth-Orbiting Satellite
The Observed Inclination Problem: Solved at Last?
The On-orbit Calibrations for the Fermi Large Area Telescope
The Optimal Gravitational Lens Telescope
The optimal schedule for pulsar timing array observations
The opto-mechanical alignment procedure of the VLT Survey Telescope
The orthometric parameterisation of the Shapiro delay and an improved test of general relativity with binary pulsars
The outreach activities in the astronomical research institutions and the role of librarians: what happens in Italy
The Palomar Transient Factory photometric calibration
The Palomar Transient Factory: System Overview, Performance and First Results
The Pan-STARRS1 Photometric System
The Parkes Observatory Pulsar Data Archive
The Past, Present and Future of the Resonant-Mass Gravitational Wave Detectors
The PHASES Differential Astrometry Data Archive. I. Measurements and Description
The Photodetector Array Camera and Spectrometer (PACS) on the Herschel Space Observatory
The Physical Model in Action: Quality Control for X-Shooter