Space Terms

Find definitions of space and earth science terms.

Space terms. Countdown a count in inverse numerical order in hours minutes and finally seconds of time remaining before the launch of a rocket. Albedo in astronomy the term albedo refers to the brightness of an object in space. The compton satellite consisted of the batse comptel egret and osse instruments.

Because an electron volt is so small engineers and scientists sometimes use the terms mev mega million and gev giga billion electron volts. Others are hundreds of miles across. A absolute magnitude also known as absolute visual magnitude relates to measuring a heavenly object s brightness when viewed from.

Rocks floating around in space. Some are the size of a pick up truck. The amateur astronomy hobby contains words labels and technical terms that may seem be a little confusing for both beginners and the more experienced hobbyists.

Right ascension r a the celestial equivalent of longitude denoting how far in 15 wide hours an object lies east of the sun s location during the march equinox. 50 space terms for understanding the universe oct. A f g m n r s z.

Cosmonaut the russian term for an astronaut. The following are terms from a z related to space astronomy. The agency was founded in 1958 the same year president dwight d.

Derived from latin albedo means whiteness albus white albedo is measured on a scale from 0 to 1 where 0 refers to an object that is completely dark i e it does not reflect any light. If you ever wonder the meaning of an astronomical word search no further and browse below to find the definition of the space term. Eisenhower signed the national aeronautics and space act and one year after the soviets launched sputnik 1 the world s first artificial.