The Haystack observatory lambda 3-mm upgrade
The Helios A/B cosmic ray instrument /E 7/
The Helios program and the sun
The Hera TGIP Sample Collector
The Herschel HIFI data simulator
The Herschel Space Observatory, Opening the Far Infrared
The Herschel Space Observatory: Early Results and Mission Status
The Herschel-Heterodyne Instrument for the Far-Infrared (HIFI)
The Herschel-Heterodyne Instrument for the Far-Infrared (HIFI): instrument and pre-launch testing
The Herschel-PACS grating mechanism: mechanical and optical performance
The HERSCHEL/PACS early Data Products
The High Altitude Balloon Experiment demonstration of acquisition, tracking, and pointing technologies (HABE-ATP)
The High Energy Detector of Simbol-X
The High Pressure Gas Scintillation Proportional Counter - Performance characteristics of the scientific model
The high resolution spectrograph
The High Resolution Spectrometer for SOFIA-GREAT: Instrumentation, Atmospheric Modeling and Observations
The High Resolution Stereo Camera (HRSC) for Mars 96: Results of Outdoor Tests
The High Resolution X-ray Spectrometer on the Astro-E2 mission
The High Time Resolution Spectrometer (HTRS) aboard the International X-ray Observatory (IXO)
The high-contrast performance of an optical vortex coronagraph