Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
blueshift
This term is a specialized technical expression used primarily in astrophysics and spectroscopy. It describes a specific physical phenomenon where the observed frequency of radiation increases, creating a visual shift toward the blue end of the visible spectrum. It is the direct opposite of redshift.
In a scientific context, the word is used both as a noun to describe the observed effect and as a verb to describe the process of the shift occurring. Because it is a highly specific scientific term, it is rarely used metaphorically in general conversation, though it may appear in science-fiction or academic discourse to indicate approach or acceleration.
Meanings
Examples
The astronomer noticed a slight blueshift in the light from the approaching star.
If a galaxy is moving toward us, its light will exhibit a blueshift.
We are studying the Doppler effect and how it causes blueshift in the physics lab.
The spectral lines show a clear blueshift, indicating the object is closing in.
I wonder if the ship's sensors can detect the blueshift of the incoming probe.
The high velocity of the particle will blueshift the emitted radiation.
Does this specific movement blueshift the light enough to be measurable?
The incoming signal was heavily blueshifted due to the extreme relative speed.