- Industry: 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 ...
The ability or tendency of one substance to dissolve into another at a given temperature and pressure.
Industry:Astronomy
Streams of plasma--charged particles (mainly ionized hydrogen and some helium but actually a mixture of all electrons and protons in the Sun)-- ejected from the outer atmosphere (corona) of the Sun and moving outward all the time with velocities in the range 300-500 kilometers per second. For amazing images and information about the Sun and solar wind see the SOHO website for the Solar and Heliospheric Observatory, a project of international cooperation between ESA and NASA.
Industry:Astronomy
An element with atomic number 26; symbol: Fe. Iron is one of the most abundant elements in the rocky planets. It is the most abundant element in the metallic cores of the inner planets.
Industry:Astronomy
One of two successful series of Soviet unpiloted lunar missions. There were 24 missions to the Moon in the Luna series launched from 1959 to 1976. (The other series, Zond, had 5 lunar missions launched in 1965 to 1970. ) The first image of the farside of the Moon was taken by the Luna 3 spacecraft in October, 1959. Three Luna landers (Luna 16, 20, and 24) collected a total of approximately 300 grams of lunar samples and returned them to Earth.
Industry:Astronomy
An element with atomic number 7; symbol: N. It is common in Earth's atmosphere and along with hydrogen, carbon, and oxygen is essential for life.
Industry:Astronomy
Low-angle fault in which rock above the fault plane moves up in relation to rock below.
Industry:Astronomy
An element with atomic number 16; symbol: S. Sulfur is common on the surface of Jupiter's moon Io.
Industry:Astronomy
