- 産業: Astronomy
- Number of terms: 6727
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Planetary Science Research Discoveries (PSRD) is an educational site sharing the latest research by NASA-sponsored scientists on meteorites, asteroids, planets, moons, and other materials in our Solar System. The website is supported by the Cosmochemistry Program of NASA's Science Mission ...
El porcentaje del volumen total de roca o suelo que consiste en espacios abiertos. (El espacio entre las partículas se denomina espacio de poros).
Industry:Astronomy
Coordenadas celestes que equivale a la latitud de un objeto en la tierra. Esta es una medida angular de cuán lejos sobre el Ecuador celeste que se encuentra un objeto.
Industry:Astronomy
A small body (a "dirty iceball", typically 1 km across, with dust and plasma tails) that circles the Sun with a highly elliptical orbit.
Industry:Astronomy
The Sun and all the objects (planets, moons, asteroids, and comets) that orbit the Sun.
Industry:Astronomy
A temperature scale with the freezing point of water assigned the value 32 °F and the boiling point of water 212 °F at standard pressure. To convert Fahrenheit to Celsius: Deduct 32, then multiply by 5, then divide by 9.
Industry:Astronomy
The configuration (shapes, positions, arrangements) and relief (elevations, slopes) of the land surface.
Industry:Astronomy
The percentage of the total volume of rock or soil that consists of open spaces. (The space between particles is called pore space. )
Industry:Astronomy
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.
Industry:Astronomy
A small body (a "dirty iceball", typically 1 km across, with dust and plasma tails) that circles the Sun with a highly elliptical orbit.
Industry:Astronomy
