20 Terms
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Planetary science
The scientific study of planets including Earth, moons, and planetary systems of the Solar System in particular and the processes that form them.
Industry: Astronomy
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Planetary science
Amazonian Epoch
Astronomy; Planetary science
The geologic history of Mars has been divided into three broad time periods, or Epochs. From oldest to youngest, these are Noachian, Hesperian, and Amazonian (named after places on Mars). These ...
Antarctic Search for Meteorites (ANSMET)
Astronomy; Planetary science
An exploration program to collect meteorites in Antarctica supported by grants from the Office of Polar Programs of the U. S. National Science Foundation and by NASA. The work of the ANSMET teams ...
Apollo
Astronomy; Planetary science
U. S. Space Program that included 6 piloted lunar landings between 1969 and 1972. Apollo astronauts collected and returned 382 kilograms of rock and sediment samples from the Moon.
exsolution
Astronomy; Planetary science
The segregation, during cooling, of a homogeneous solid solution into two or more different minerals.
radiocarbon
Astronomy; Planetary science
Radiocarbon, or 14 C, is the unstable, radioactive isotope of carbon having atomic number 6 and atomic mass 14. It is continuously produced in Earth's upper atmosphere by cosmic ray bombardment. In ...
thousand electron volts (keV)
Astronomy; Planetary science
A unit of energy equal to a thousand electron volts (eV). According to the Bureau International des Poids et Mesures: "The electron volt is the kinetic energy acquired by an electron in passing ...
