ScienceJuly 14, 2026
spectrometer
/spɛkˈtrɒmɪtər/
Definition
A scientific instrument designed to measure the intensity and properties of electromagnetic radiation, such as space radiation, at specific energy levels.
Etymology
The word is derived from the Latin 'spectrum' (an appearance or image) and the Greek 'metron' (a measure). It entered English in the 19th century to describe tools used for measuring the spectral characteristics of light or radiation.
In the news
In this article, a spectrometer is used as part of a radiation monitor to help NASA understand the radiation environment on the Moon, ensuring the safety of future astronauts.
NASA selects four new Moon missions to build a permanent lunar base
Read the full article ↗ScienceDaily