Results 11 to 20 of about 1,180,959 (385)

Mars Orbiter Laser Altimeter: Experiment summary after the first year of global mapping of Mars [PDF]

open access: yes, 2001
The Mars Orbiter Laser Altimeter (MOLA), an instrument on the Mars Global Surveyor spacecraft, has measured the topography, surface roughness, and 1.064-μm reflectivity of Mars and the heights of volatile and dust clouds.
Ivanov, Anton B.   +2 more
core   +2 more sources

Upper mantle structure of Mars from InSight seismic data

open access: yesScience, 2021
Single seismometer structure Because of the lack of direct seismic observations, the interior structure of Mars has been a mystery. Khan et al., Knapmeyer-Endrun et al., and Stähler et al.
Amir Khan   +29 more
semanticscholar   +1 more source

Radar evidence of subglacial liquid water on Mars [PDF]

open access: yesScience, 2018
Liquid water under Mars' southern ice cap Mars is known to host large quantities of water in solid or gaseous form, and surface rocks show clear evidence that there was liquid water on the planet in the distant past.
R. Orosei   +21 more
semanticscholar   +1 more source

Long-term drying of Mars by sequestration of ocean-scale volumes of water in the crust

open access: yesScience, 2021
Burying Mars' ancient water in the crust Mars once had oceans of liquid water on its surface but little of that water remains today in the planet's ice caps and atmosphere.
E. Scheller   +4 more
semanticscholar   +1 more source

China’s Mars Exploration Mission and Science Investigation

open access: yesSpace Science Reviews, 2021
China’s first Mars exploration mission (HuoXing-1) has been named as ‘Tianwen-1’ meaning Heaven Inquiry. Tianwen-1 was launched on July 23, 2020. In this paper, the scientific objectives of earlier and current Mars exploration missions worldwide are ...
Chunlai Li   +22 more
semanticscholar   +1 more source

Impacts of Host Genotype and Grafting on Root, Rhizosphere, and Core Microbiomes in Theobroma cacao Seedlings

open access: yesPhytobiomes Journal, 2022
Recent advances in understanding microbial contributions to plant growth and soil health have sparked interest in breeding plants that cultivate a beneficial microbiome.
Jennifer Schmidt   +4 more
doaj   +1 more source

Mars [PDF]

open access: yesAstronomische Nachrichten, 1909
n ...
openaire   +3 more sources

The Mars Environmental Dynamics Analyzer, MEDA. A Suite of Environmental Sensors for the Mars 2020 Mission

open access: yesSpace Science Reviews, 2021
NASA’s Mars 2020 (M2020) rover mission includes a suite of sensors to monitor current environmental conditions near the surface of Mars and to constrain bulk aerosol properties from changes in atmospheric radiation at the surface.
J. Rodríguez-Manfredi   +84 more
semanticscholar   +1 more source

Mars [PDF]

open access: yesAstronomische Nachrichten, 1911
n ...
Creulli, V., Antoniadi, E. M.
openaire   +2 more sources

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