Archives: Glossary Terms: 691 terms

General Conference of Weights and Measures, Sevres France. The abbreviation is from the French. CGPM is the source for the ...

A small motion in the Earth's rotation axis relative to the surface, discovered by American astronomer Seth Carlo Chandler in ...

In telemetry, one particular measurement to which changing values may be assigned. See Chapter 10.

A distinctive area of broken terrain.

Another name used to describe a canyon.

A meteorite that contains chondrules.

Small, glassy spheres commonly found in meteorites.

The part of the Sun's atmosphere just above the surface.

Denotes an object near a celestial pole that never dips below the horizon as Earth rotates and thus does not ...

A star that never sets but always stays above the horizon. This depends on the location of the observer. The ...