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Definitions

spectra

[spek-truh] / ˈspɛk trə /
NOUN
color spectrum
Synonyms




Example Sentences

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In its current phase, the project uses robotic instruments to collect spectra from millions of objects across the sky, helping scientists study how stars, black holes, and galaxies evolve over time.

From Science Daily • Apr. 4, 2026

The spectra revealed multiple metals -- elements heavier than helium -- mixed into the gas.

From Science Daily • Jan. 24, 2026

Balmer breaks can appear in the spectra of single, very hot, young stars, as well as in galaxies containing many such stars.

From Science Daily • Nov. 29, 2025

Understanding the full picture requires precise measurements of the energy spectra of different cosmic ray species and their individual "knees."

From Science Daily • Nov. 16, 2025

In the years following his proof of the existence of other galaxies, Hubble spent his time cataloging their distances and observing their spectra.

From "A Brief History of Time: And Other Essays" by Stephen Hawking