- plural of spectrum.
spectra
Americannoun
noun
Example Sentences
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Because the measurements follow a linear mathematical relationship, the system can recover spectra rapidly and consistently while using relatively little computational power.
From Science Daily ● Oct. 23, 2026
Scientists expect to release images and spectra from some of Juice's instruments in the coming weeks, once the data have reached Earth and instrument teams have had time to evaluate them.
From Science Daily ● Oct. 3, 2026
Nearly 30 hours of exposure time collected enough light for the team to identify extremely faint absorption features in the spectra of the distant galaxies.
From Science Daily ● Oct. 2, 2026
DR20 now includes integral field spectroscopy maps of 6 separate target regions covering 169 tiles and about 300,000 spectra.
From Science Daily ● Aug. 14, 2026
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
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