How Did Robots Land on Mars?
E-bok
PDF, Engelska, 2019104 kr
Läs direkt i Bokus Reader – eller ladda ned till din enhet (PDF kräver ofta zoom och scroll på små skärmar).
Beskrivning
After travelling millions of miles through space, roving robots gently landed on Mars and then drove across its surface. Read this book to learn how engineers accomplished these amazing feats of space exploration.
