Teaser Astronomy

These chip-sized spacecraft are the smallest space probes yet

Prototypes ride on satellites in low Earth orbit to test how their circuitry fares in space

diagram of Sprite

THE ITSY-BITSY SPACECRAFT  Prototypes of tiny spacecraft called Sprites are being tested in low Earth orbit. Similarly tiny probes may someday fly to Alpha Centauri.

Zac Manchester

By Maria Temming

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