redshift

noun (redshift — uncountable)

«redshift» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

Everyday

(science) Redshift is when light from a star or galaxy moving away from us is stretched so it looks redder, shifting towards the red end of the rainbow. tree →
It is evidence that the universe is expanding. tree →

In the lessons

In space science lessons redshift shows that distant galaxies are moving away from us, supporting the Big Bang theory. Phrases: the redshift of galaxies.

Examples

Redshift tells us galaxies are moving away. tree →
The further away a galaxy, the bigger its redshift. tree →
Scientists measured the redshift of the light. tree →
Redshift is like the change in a passing siren's sound, but for light. tree →
Redshift helped scientists discover that the universe is getting bigger. tree →
Red light has longer waves, so redshift means stretched waves. tree →

Note

Uncountable. Sometimes written «red shift». The opposite, light from something coming nearer, is «blueshift».

On Mova

Trees and pragmatics of «redshift» in the school dictionary: every meaning and example parsed by Mova, with its dependency tree and frames.
«redshift» in the school dictionary on Mova free.

This page in Markdown → https://md.dictionary.elamur.ai/free/en/english/redshift/