Results 91 to 100 of about 3,295 (219)

TOPLEX: Teleoperated Lunar Explorer. Instruments and Operational Concepts for an Unmanned Lunar Rover [PDF]

A Teleoperated Lunar Explorer, or TOPLEX, consisting of a lunar lander payload in which a small, instrument-carrying lunar surface rover is robotically landed and teleoperated from Earth to perform extended lunar geoscience and resource evaluation ...
Blacic, James D.
core   +1 more source

Restoration of seventeenth century water gardens at Bramham Park [PDF]

, 2003
Bramham Park, near Wetherby, is the only large-scale formal garden in the UK to survive virtually unchanged from the late seventeenth and early eighteenth centuries.
Holden, J.
core  

Applications of Ground-Penetrating Radar in Asteroid and Comet Exploration

Remote Sensing
Nowadays, 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, Yan Su, Jiawei Li, Shun Dai, Chunyu Ding, Yuhang Liu   +5 more
doaj   +1 more source

Gully Formation at the Haughton Impact Structure (Arctic Canada) Through the Melting of Snow and Ground Ice, with Implications for Gully Formation on Mars [PDF]

The formation of gullies on Mars has been the topic of active debate and scientific study since their first discovery by Malin and Edgett in 2000. Several mechanisms have been proposed to account for gully formation on Mars, from dry mass movement ...
Andres, C., Chartrand, S., Galofre, A. Grau, Godin, E., Harrison, T., Hibbard, S., Jellinek, M., Kukko, A., Osinski, G. R., Pontefract, A., Zanetti, M.   +10 more
core   +1 more source

A Review of Lunar Communications and Antennas: Assessing Performance in the Context of Propagation and Radiation. [PDF]

Sensors (Basel), 2023
Serria E, Gadhafi R, AlMaeeni S, Mukhtar H, Copiaco A, Abd-Alhameed R, Lemieux F, Mansoor W.   +7 more
europepmc   +1 more source

Mapping the Upper Subsurface of MARS Using Radar Polarimetry [PDF]

, 2012
Future human exploration of Mars will require detailed knowledge of the surface and upper several meters of the subsurface in potential landing sites. Likewise, many of the Planetary Science Decadal Survey science goals, such as understanding the history
Berkoski, L., Carter, L. M., Rincon, R.
core   +1 more source

Detecting Lunar Subsurface Water Ice Using FMCW Ground Penetrating Radar: Numerical Analysis with Realistic Permittivity Variations

Remote Sensing
This study investigates the detectability of a putative layer of regolith containing water ice in the lunar polar regions using ground penetrating radar (GPR).
Shunya Takekura, Hideaki Miyamoto, Makito Kobayashi   +2 more
doaj   +1 more source

Electromagnetic Simulations of Ground-Penetrating Radar Propagation near Lunar Pits and Lava Tubes [PDF]

Placing an Orion capsule at the Earth-Moon L2 point (EML2) would potentially enable telerobotic operation of a rover on the lunar surface. The Human Exploration Virtual Institute (HEVI) is proposing that rover operations be carried out near one of the ...
Bleacher, J. E., Carter, L. M., Farrell, W. M., Petro, N. E., Zimmerman, M. I.   +4 more
core   +1 more source

Lunar dust: Formation, microphysics, and transport

Physical Review Research
Lunar dust—the submillimeter fraction of the regolith—controls the optical, thermophysical, electrical, mechanical, and environmental behavior of the Moon's surface.
Slava G. Turyshev
doaj   +1 more source

Publications of the Jet Propulsion Laboratory, July 1964 through June 1965 [PDF]

JPL publications bibliography with abstracts - reports on DSIF, Mariner program, Ranger project, Surveyor project, and other space programs, and space ...
Woods, R. L.
core   +1 more source