spectral

1. Of, or pertaining to, spectres; ghostly.

   The spectral chain-rattling and moans gave me the chills.

2. Of, or pertaining to, spectra; classified according to frequency or wavelength (of light, etc.).

3. On the spectrum; spectrumy.

   spektral, Spektral-

   of or relating to a spectrum

1. They all agreed that it was a huge creature, luminous, ghastly, and spectral.

   deSie waren sich alle einig, dass es eine gewaltige Kreatur war, leuchtend, gespenstisch und spukhaft.

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2. Satellite instruments measure light emitted or reflected back to space at different wavelengths and create spectral reflectance curves.

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3. Alpha Centauri A is the same spectral type as, and similar in size to the Sun.

   deα Centauri A ist vom gleichen Spektraltyp und ähnlichen Dimensionen wie die Sonne.

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4. If you like astrobiology, maybe read the document "Venus’ Spectral Signatures and the Potential for Life in the Clouds."

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5. This collage of images from NASA's Cassini spacecraft shows Saturn's northern hemisphere and rings as viewed with four different spectral filters.

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