Breakthrough Starshot successfully launch world’s smallest spacecraft

Breakthrough Starshot, a Russian billionaire Yuri Milner’s $100-million effort to explore the closest star system to our own, has launched the smallest-ever spacecraft into Breakthrough Starshot successfully launch world's smallest spacecraftorbit around Earth. Known as “Sprites”, the miniature satellites are just 3.5cm x 3.5cm and carry radios, sensors and computers, with each device powered by sunlight and weighing just four grams. Scientists say, this latest development is an important precursor to an ambitious attempt to send space probes to planets beyond our solar system.