All Stories by Science News
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Two, Two: Two Quasars in One
Gravity's ability to bend light (an effect predicted by Einstein's theory of general relativity) has been confirmed many times. What had not been observed was the more extreme case deflection of light by a gravitational field so strong that it acts as a lens on the line of sight. But now astronomers believe they have found the first evidence for just such a gravitational lens.
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