redshift

«redshift» in Mova's school dictionary: when light from a star or galaxy moving away from us is… — its meaning for a pupil, its sense in the lessons and examples.

part of speech

noun (redshift — uncountable)

meaning for a pupil

1) (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 →

2) It is evidence that the universe is expanding. tree →

sense 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».

Trees and pragmatics

Every meaning and example of «redshift» parsed by Mova, each sentence with its dependency tree and frames.