Deep Space Network to Viking Orbiter telecommunications performance during the Viking extended mission, November 1976 - February 1978

Deep space target location with Hubble Space Telescope (HST) and HIPPARCOS data

Deep-depletion CCDs for X-ray astronomy

Deep-space optical communications link availability and data volume

Deepest Globular Cluster X-ray Survey: Chandra on 47Tuc

Definition of an imaging spectrometer meeting the needs of UV solar physics

Definition of the Active Cooling System for the Space Instrument CIVA/Mars

Definitive Mineralogy from the Mars Science Laboratory CheMin Instrument

Degradation mechanisms of gamma irradiated LWIR HgCdTe photovoltaic detectors

Degradation of radiator performance on Mars due to dust

Degradation of TAUVEX optical system performance due to contamination by outgassed spacecraft materials

DEIMOS: A Powerful New Spectrograph at Keck II

Delta II launch vehicle

Demo of numarray, PyFITS, and related software

Demonstration of a 0.5-m ultralightweight mirror for use at geosynchronous orbit

Demonstration of a 10K Stirling cooler for space applications

Demonstration of a high-efficiency free-space optical communications link

Demonstration of a Low-Lift Heat Pump for High-Power Spacecraft Thermal Control

Demonstration of an optically phased telescope array

Demonstration of comet sample collection by penetrator