'Star Trackers' Help Juno Find Its Way
Space navigation is tricky. There's no up or down, no left or right, and no road signs. This device uses stars to help determine if a spacecraft is off course. It takes nifty pictures, too.
Read more on NPR
Làm đẹp Blog 247 July 3, 2016 at 07:04PM
Category Health & Science
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