ANSWERS: 4
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It's something to do with astronomy and light passing through something or other...I can't remember the details. lol
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It says, "What would Einstein do?" (lol) Just kidding. It has to do with relativity and "warped space". Something about wherever you start from in the universe, in any direction, you will eventually wind up back where you started from, albeit billions of lightyears later,...or something like that.
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It is the deformation of light into an apparent ring by gravitational lensing. It is seen around massive objects such as stars or galaxies.
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Novelty jewelery that becomes infinitely more massive the closer the wearer comes to the speed of light?! ;-)
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