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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

Researchers have collected more than 600 million spectra from a region of sky spanning an area equivalent to more than 2,000 full Moons.

From Science Daily • Mar. 8, 2026

When the object was first identified in 2018, spectra obtained with the 200-inch Hale Telescope at Palomar Observatory showed no special features.

From Science Daily • Nov. 7, 2025

Since then, spectra from JWST's NIRSpec instrument became available for those, and a few other extremely distant objects.

From Science Daily • Oct. 14, 2025

At that time most people expected the galaxies to be moving around quite randomly, and so expected to find as many blue-shifted spectra as red-shifted ones.

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