Planetary science

temperature associated with the measured intensity and frequency

atmosphere of an object other than the Earth

heat originating from within a celestial object

thumb|right|A series of images made by ultraviolet light imager on the Polar (satellite)|Polar spacecraft showing the aurora and Earth's upper atmosphere. The glowing side is the atmosphere lit up by the Sun's light energy and the oval of light is the aurora. During a substorm the auroral oval brightens in a localized area and then suddenly breaks into many different forms that expand both toward Earth's pole and equator. This is exactly what Shun-ichi Akasofu (1964) drew in his auroral substorm illustration. thumb|Short video featuring commentary by David Sibeck, project scientist for the THE

publication of the United States National Research Council

The transit of an astronomical object in front of the Sun from the Earth's perspective

remote sensing technique

numerical model of the early Solar System

large area of molten rock on the surface of a planet

collection of objects orbiting around a planetary mass object

runaway melting of early earth's interior as a result of potential energy release from sinking iron and nickel melted by heat of radioactive decay

short-term magnetic reconnection between magnetic fields of Sun and Earth

natural objects that originated in outer space

consolidation of the Earth's crust

Distribution of mass in a celestial body

moons comparable in size to small planets

French research laboratory specialized in the study of the physical and chemical processes of the Earth's atmosphere

measure of the mass of a planet-like object

pertinent to space weather conditions

cartography of solid objects outside of the Earth

overview about the presencr of carbonates on Mars

term

sheetlike region of denser (0.3–0.5 cm⁻³) hot plasma and lower magnetic field near the equatorial plane, between the magnetosphere’s north and south lobes

research institute in Tucson, Arizona

strewnfield containing most of Australasia

Celestial coordinate system