Archives: Glossary: 691 terms

The distance between consecutive crests of a wave. This serves as a unit of measure of electromagnetic radiation.

The gravitational force exerted on an object of a certain mass. The weight of mass is Newtons, where is the ...

A very small, white star formed when an average sized star uses up its fuel supply and collapses. This process ...

A range of microwave radio frequencies in the neighborhood of 8 to 12 GHz.

Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

The field of astronomy that studies celestial objects by the x-rays they emit.

A bright celestial object that gives off x-rays as a major portion of its radiation.

An ordinary star such as the Sun at a stable point in its evolution.

A point directly overhead from an observer.

An imaginary belt across the sky in which the Sun, moon, and all of the planets can always be found.