identify the type of change. A. rusting of iron. B. curdling of milk.
C. burning of paper.
D. Day and night.
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The largest known 'object' in the Universe is the Hercules-Corona Borealis Great Wall. This is a 'galactic filament', a vast cluster of galaxies bound together by gravity, and it's estimated to be about 10 billion light-years across!
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