Space Terms

Albedo in astronomy the term albedo refers to the brightness of an object in space.

Space terms. This glossary of astronomy terms contains definitions for some of the most common words used in astronomy cosmology astrophysics and space exploration. 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. Others are hundreds of miles across. Eisenhower signed the national aeronautics and space act and one year after the soviets launched sputnik 1 the world s first artificial.

Find definitions of space and earth science terms. This term also describes the period when a planet or asteroid appears to backtrack in the sky because of the changing viewing perspective caused by earth s orbital motion. This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology their sub disciplines and related fields astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of earth the field of astronomy features an extensive vocabulary and a significant amount of jargon. A space based observatory that collected high energy gamma ray light from celestial objects.

50 space terms for understanding the universe oct. A absolute magnitude also known as absolute visual magnitude relates to measuring a heavenly object s brightness when viewed from. Because an electron volt is so small engineers and scientists sometimes use the terms mev mega million and gev giga billion electron volts. Some are the size of a pick up truck.

The agency was founded in 1958 the same year president dwight d. The compton satellite consisted of the batse comptel egret and osse instruments. Cosmonaut the russian term for an astronaut. Cospar the committee on space research established october 1958.

1 on the scale refers to a perfectly reflective object. You can click on any letter. Rocks floating around in space. 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.

A f g m n r s z. 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. Crater a round impression left in a planet or satellite from a meteoroid. 1 2020 marks the 62nd birthday of the national aeronautics and space agency or nasa.