Nasa's Juno Probe Completes Closest-Ever Flyby of Jupiter

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Nasa's Juno Probe Completes Closest-Ever Flyby of Jupiter
Highlights
  • The time of the closest approach was on Saturday at 1.44pm GMT
  • At that time, Juno was travelling at a speed of 208,000 kmph
  • Juno was launched on August 5 2011, and arrived at Jupiter on July 4 2016

Nasa's Juno, the spacecraft on a Jupiter mission, has successfully completed its first of 36 orbital flybys, coming closer to the giant planet than any man-made object before it.

The time of the closest approach was on Saturday at 1.44pm GMT, when Juno passed about 4,200 kilometres above Jupiter's clouds, the US space agency said on its website.

At that time, Juno was travelling at a speed of 208,000 kmph, Efe news reported.

Juno was launched on August 5 2011, and arrived at Jupiter on July 4 2016. The historic mission is scheduled to end in February 2018.

"We are getting some intriguing early data returns as we speak. It will take days for all the science data collected during the flyby to be downlinked and even more to begin to comprehend what Juno and Jupiter are trying to tell us," said Scott Bolton, a principal investigator of Juno from the Southwest Research Institute in San Antonio, Texas.

The probe, unmanned and the size of a basketball court, is the first vehicle designed to operate in the heart of the radiation belts of Jupiter.

Images of Jupiter from JunoCam are expected to be released in the next couple of weeks.

(Also see: Nasa's Juno Mission Sends First Image of Jupiter, Its Moons)

This is the first time a probe will orbit Jupiter's poles, which will provide new answers to the mysteries about its core, composition and magnetic field.

As the US probe is also the first to observe what lies beneath the dense clouds of the planet, the mission is named after the goddess Juno, sister and wife of Jupiter, who according to Roman mythology could see through clouds.

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Further reading: Nasa, Juno, Science
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