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Use "gravitationally" in a sentence
"There are some real NASA missions that deserve to be on the list, like Mariner 9 (first spacecraft to orbit Mars) and Mariner 10 (first to use gravitationally assisted trajectory and first to explore Mercury)."
"Today on Boing Boing Gadgets we looked at an inexplicable, gravitationally-defiant watch and discovered that Malia Obama uses a cute little Kodak digicam."
"Even so, there is some question whether a mass of that magnitude could possibly affect us gravitationally."