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| Type = [[Outline of radio science|Radio science]]/[[Transponder]] | Function = Monitor the rotation and orientation of Mars ...

{{short description|Ratio of a slightly volatile element, potassium (K), to a highly refractory element, ...U ratio helps explain the evolution of the planetary system and the origin of Earth's moon. ...

{{Short description|Geochemical transformation of silicate rocks}} ...thumb|upright=2|This figure describes the geological aspects and processes of the carbonate silicate cycle, within the long-term carbon cycle.|alt=]] ...

{{Short description|The color of an astronomical object}} ...rence database|Colour Index International|the term in geology|Color index (geology)}} ...

...n Ex/Winter we put in place of the rubber [pad] a steel plate in the shape of a raised "X". This we here call a "Grouser"."</ref> ...face of the wheel to achieve protrusion; '''cleats''', with spikes instead of straight bars; and '''lugs''' with raised rubber on a [[Tire#Tread lug|tire ...

{{Short description|Escape of gases from the atmosphere}} ...=37386726|issn=0036-8075}}</ref><ref name=":2">{{Cite book|title=Evolution of the atmosphere|last=Walker, James Callan Gray.|date=1977|publisher=Macmilla ...

{{Short description|Presence of methane on Mars}} [[File:Martian Methane Map.jpg|thumb|260px|The source of Mars methane is unknown; its detection is shown here.]] ...

{{Short description|Method of geochemical research}} ...h's history of formation and [[Planetary differentiation|differentiation]] of the solid Earth into layers. ...

...ription|Geochronological radiometric dating method using radioactive decay of hafnium-182}} ...=September 2009|title=Hf–W chronology of the accretion and early evolution of asteroids and terrestrial planets|journal=Geochimica et Cosmochimica Acta|v ...

{{short description|Geologic structure and composition of Triton}} ...|270px|alt=Image of Triton's surface |''[[Voyager 2]]'' image of a section of Triton's unusual cantaloupe terrain, cross-cut by [[Slidr Sulci]] and Tano ...

{{Short description|Gravitational force exerted by the planet Mars}} ...n.webp|thumb|300px|[[Gravity of Earth|Earth]] vs [[Mars]] vs [[Gravitation of the Moon|Moon]] [[gravity]] at [[elevation]]]] ...

{{Short description|Distribution of mass in a celestial body}} ...oment of inertia]] has dimensions of mass times length squared, the moment of inertia factor is the coefficient that multiplies these. ...

...del is now routinely used in computer programs, even with tens of millions of [[finite elements]]. ...idea in 1938 <ref name="Tay38"/> which led to Taylor models for plasticity of polycrystalline metals.<ref name="BatBud49"/><ref name="BudWu62"/><ref name ...

...flection of the vertical]] due to the [[gravity|gravitational attraction]] of a nearby mountain. Schiehallion was considered the ideal location after a s ...mb|350px|alt=A view across green fields to a mountain rising behind a line of trees. Its flanks are bare, and the mountain shows a distinctly symmetrical ...

{{short description|Overview of science and technology in Russia}} ...of Enlightenment]], when [[Peter the Great]] founded the [[Russian Academy of Sciences]] and [[Saint Petersburg State University]] and [[polymath]] [[Mik ...

{{Redirect-several|dab=no|List of numbers|List of years|}} ...e right of an orange circular object representing the Sun|Artist's concept of the [[Earth]] 5–7.5 billion years from now, when the [[Sun]] has become a [ ...

...st, but this article focuses on those that are stable. Isotopic variations of trace metals in samples are used as [[Isotopic signature|isotopic fingerpri ...(Δ; the difference between two δ values). For a more complete description of these notations, see the isotope notation section in [[Hydrogen isotope bio ...

...n]], [[Uranus]] and [[Neptune]]. Jupiter's diameter is about 11 times that of the Earth's and the Sun's diameter is about 10 times Jupiter's. The planets ...ource of information that expressed the way the people of the time thought of the Solar System. ...

...Earth's surface is such that a single muon passes through an area the size of a human hand per second.<ref name="Muon Tomography - Deep Carbon, MuScan, M ...ent in the 1950s, muon tomography has taken many forms, the most important of which are muon transmission radiography and muon scattering tomography. ...

This is a '''list of notable Italian scientists''' organized by the era in which they were activ ...armenides]] (530&nbsp;BC–460&nbsp;BC), İtalian-Greek philosopher, defender of rationalism in philosophy ...