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There's liquid on Titan, Saturn's largest moon. But something's missing and scientists are confusedScientists have long known that Saturn's largest moon, Titan, hosts rivers and seas of liquid methane. But it's strangely lacking in river deltas, a new study suggests.
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NASA captures stunning new image of shock waves from next-gen supersonic plane as it flies across the sunNew photograph captures breathtaking sight of history-making Boom Supersonic's XB-1 passenger plane as it hits supersonic speeds while flying across the sun
engineering
