Sentences with phrase «observations of gravitational lenses»
General relativity has been experimentally verified by observations of gravitational lenses, the orbit of the planet Mercury, the dilation of time in Earth's gravitational field, and gravitational waves from merging black holes.
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The resolving power of modern telescopes has exceeded Einstein's expectations; the first gravitational lens was discovered in 1979 from ground - based observations.
«A black hole under the gravitational lens: An unusual observation method uncovers processes near the event horizon of a distant, massive monster.»
This behaviour and further findings from observations can be best explained with an interesting assumption: Although the brightness variations in the gamma ray region also originate from the flare ups in the blazar, they are amplified to different degrees by the gravitational lens effect of individual stars in the foreground galaxy.