By Amanda Barnett, –
- Juno spacecraft has successfully started orbiting Jupiter
- It was launched five years ago to study the planet’s composition
- Juno is a spinning, robotic probe as wide as a basketball court
Jet Propulsion Lab, California (CNN)NASA says it has received a signal from 540 million miles across the solar system, confirming its Juno spacecraft has successfully started orbiting Jupiter, the largest planet in our solar system.