spectra

[spek-truh]

noun

1. a plural of spectrum.

spectra

/ ˈspɛktrə /

noun

1. the plural of spectrum

Example Sentences

"The infrared wavelengths of our observations overlap with an important silicate dust feature that's characteristic of some red supergiant spectra," Kilpatrick said.

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“This was intriguing, but without a way to obtain spectra of those stars, we could not really establish whether we were witnessing genuine accretion and the presence of disks, or just some artificial effects.”

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The team gathered spectra of that star’s light with two optical telescopes.

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Firstly, water vapor interferes and overlaps with the absorption spectra of many gases in the standard infrared ranges normally used for detection.

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Astronomers can tell whether there’s a black hole in the galaxy by looking at large emission lines in their spectra, created by gas around the black hole swirling at high speed.

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Related Words

• continuum 
• range 
• sphere