spectra

Example Sentences

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A few days after the initial flash, it brightened again, shifted to bluer light, and showed hydrogen in its spectra.

From Science Daily • Apr. 24, 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

Those spectra tracked changing signatures in the ejected gas, and new spectral features matched up with structures seen in the interferometric images, providing a direct one-to-one confirmation of how the flows were forming and colliding.

From Science Daily • Dec. 31, 2025

Crucially, the simulated light spectra closely matched what astronomers observe from real systems.

From Science Daily • Dec. 22, 2025

Some scientists think that when expansion is followed by contraction, when the spectra of distant galaxies are all blue-shifted, causality will be inverted and effects will precede causes.

From "Cosmos" by Carl Sagan