NASA lost contact with two mini Mars spacecraft and they don't know exactly why - BGR

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NASA lost contact with two mini Mars spacecraft and they don't know exactly why (https://bgr.com/2019/02/06/marco-cubesats-insight-mission-nasa-mars/) BGRNASA's Mars InSight mission is moving along nicely, with the robotic lander preparing for many months of research that will tell scientists more about the interior ...
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