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Meaning of Red Rectangle | Babel Free

Noun CEFR B2

Definitions

The nebula and binary star HD 44179.

Examples

“1987, Beverly T. Lynds, “Optical observations of nebulae”, in A. Dalgarno and David Layzer (eds.), Spectroscopy of astrophysical plasmas, Cambridge University Press, →ISBN, page 12, The Red Rectangle is only one example of an infrared object that is detectable in the infrared because of grain emission.”
“1995, J.R. Miles, P.J. Sarre, and S.M. Scarrott, “Red Rectangle Emission Bands”, in Alexander G.G.M. Tielens and Theodore Peck Snow (eds.), The Diffuse Interstellar Bands, Springer, →ISBN, page 143, The Red Rectangle is a bipolar nebula with a remarkable spectrum in which emission is excited by the light of the central star HD44179.”
“Figure 1 shows obtained images of the Red Rectangle. All of the sources consist of a bright core and an extended nebula.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

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