Sentences with phrase «obscuring background light»
It is part of an enormous cloud of molecular gas and dust obscuring background light from nearby emission nebula IC 434, producing the silhouette.
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Still, the zodiacal light illuminates the heavens there and obscures faint objects; it is the main diffuse background at visible wavelengths.
These high resolution images also showed that the lensing galaxy is an edge - on disc galaxy — similar to our galaxy, the Milky Way — which obscures parts of the background light due to the large dust clouds it contains.