A “retrograde rocket” is a rocket engine on a spacecraft that helps slow the craft down enough that you can bring it out of orbit or land it safely. I’d like one for my spacecraft, please! (Collage from the newsletter.)
A “retrograde rocket” is a rocket engine on a spacecraft that helps slow the craft down enough that you can bring it out of orbit or land it safely. I’d like one for my spacecraft, please! (Collage from the newsletter.)
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