Results 81 to 90 of about 59,970 (308)
Capabilities Development: From International Space Station and the Moon to Mars [PDF]
The President of the United States, in signing Space Policy Directive-1, directed the NASA Administrator to lead an innovative and sustainable program of exploration with commercial and international partners to enable human expansion across the solar ...
Boggs, Kathleen Gallagher +2 more
core +1 more source
A Low‐Power Radioisotope XRF Spectrometer for Detection of Light Elements on Planetary Missions
X-Ray Spectrometry, EarlyView.ABSTRACT Current X‐ray spectrometers for in situ geochemical analysis on planetary missions typically rely either on X‐ray tubes, which demand electrical power and add mass and thermal complexity, or on alpha particle X‐ray spectrometers (APXS) that use rare 244Cm$$ {}^{244}\mathrm{Cm} $$ sources, and come with severe concerns on radiation safety and ...
Leandro Silveri +14 more
wiley +1 more source
Analysis of a communication satellite for lunar far-side exploration [PDF]
Analysis of communication satellite for lunar far-side exploration relaying color television, voice, high-bit-rate telemetry data, and ranging code from command and service, and lunar ...
Goodwin, C. H., Kurland, J. R.
core +1 more source
Annual Meeting of the Lunar Exploration Analysis Group : November 1-3, 2016, Columbia, Maryland [PDF]
, 2016 The meeting goals are three-fold: 1. Integrate the perspectives and interests of the different stakeholders (science, engineering, government, and private sector) to explore common goals of lunar exploration. 2.
core
Global Policy, EarlyView.ABSTRACT On‐orbit rendezvous and docking constitute one of the most technically challenging activities in the history of space activities. As space endeavours mature to crewed missions, space rendezous and docking technologies (RDT) emerge as an area of technological innovation critical to advances in future crewed space exploration.
Nikita Chiu, Markus Kornprobst
wiley +1 more source
Applications of Ground-Penetrating Radar in Asteroid and Comet Exploration
Remote SensingNowadays, asteroid and comet exploration is one of the most important components of deep space exploration. Through asteroid and comet exploration missions, it is possible to reveal the history of the formation and evolution of the solar system, to ...
Wei Guan +5 more
doaj +1 more source
Geoscience and a Lunar Base: A Comprehensive Plan for Lunar Exploration [PDF]
This document represents the proceedings of the Workshop on Geoscience from a Lunar Base. It describes a comprehensive plan for the geologic exploration of the Moon.
Spudis, Paul D., Taylor, G. Jeffrey
core +1 more source
Lunar Precursor Robotic Program: A Robotic Focus To The Vision [PDF]
, 2007 In April 2006, NASA, with help from the commercial and international communities, began developing a global Lunar Exploration Strategy. These activities resulted in themes that expanded on why we should return to the Moon and objectives that identify ...
French, Raymond A., Nall, Mark E.
core +1 more source
Global Policy, EarlyView.ABSTRACT This article explores the current controversies surrounding the European Ariane launcher and its implications for the future of European space governance. The Ariane program, historically a symbol of European technopolitical integration, faces mounting challenges due to delays, rising costs and increasing competition from private actors like ...
Nina Klimburg‐Witjes, Joseph Popper
wiley +1 more source