Sen. Mark Kelly (D-Ariz.) and his brother, Scott Kelly, both retired astronauts, on Friday called out tech billionaire Elon Musk over his attacks on an astronaut on his social platform X.

"Hey @ElonMusk, when you finally get the nerve to climb into a rocket ship, come talk to the three of us," the Arizona lawmaker wrote on X in response to Musk's post calling Danish astronaut Andreas Mogensen "an idiot."

Scott Kelly defended Mogensen after Musk attacked him for challenging........

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