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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 that the signatures of the high-temperature plasma change velocity between the three observations, following the orbital motion of the white dwarf rather than that of the Be star," the researcher continues.

From Science Daily • Mar. 25, 2026

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

From Science Daily • Jan. 24, 2026

The team also compared the images with spectra from major facilities such as Gemini.

From Science Daily • Dec. 31, 2025

Following a lead by the astronomer V. M. Slipher at Lowell Observatory, they began measuring the spectra of distant galaxies.

From "Cosmos" by Carl Sagan