Planetary science

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

topography

Astronomy; Planetary science

The configuration (shapes, positions, arrangements) and relief (elevations, slopes) of the land surface.

porosity

Astronomy; Planetary science

The percentage of the total volume of rock or soil that consists of open spaces. (The space between particles is called pore space. )

declination

Astronomy; Planetary science

Celestial coordinate which is equivalent to the latitude of an object on Earth. This is an angular measure of how far above the celestial equator an object lies.

comet

Astronomy; Planetary science

A small body (a "dirty iceball", typically 1 km across, with dust and plasma tails) that circles the Sun with a highly elliptical orbit.

albedo

Astronomy; Planetary science

The brightness of an object or surface; it is the percentage of incoming radiation (light) that the object or surface reflects.

angstrom

Astronomy; Planetary science

(Å), a unit of length equal to 10 -8 centimeter.

The fourth state of matter beyond solid, liquid, and gas. Plasma may be the most common state of matter in the universe. Our Sun is plasma. In space science, plasma is hot, ionized gas--a mixture of ...