Juno Report
Juno Report
The probe reaches half of its primary scientific mission.
Although we do not talk much about it, something eclipsed by the arrival of InSight to Mars, the output of the heliosphere of the Voyager 2 or the next meeting of New Horizons with Ultima Thule, the solar probe furthest away from the parent star continues to explore the Jupiter, overflights happening. And there are many meetings accumulated, since this coming December 21 will make its 16th step on the planet, just 5,053 kilometers above the summits of the Jovian clouds and at a speed of 207.287 kilometers / hour). This will mark the equator of your main mission.
"With our 16th scientific flight, we will have a complete global coverage of Jupiter, although with a somewhat rough resolution, with polar passes separated by 22.5 degrees in length"explains Jack Connerney, principal investigator of Juno of the Space Research Corporation."During the second half of our main mission, flights 17 to 32, we will divide the difference, flying exactly halfway between each previous orbit. This will provide coverage of the planet every 11.25 degrees in length, providing a more detailed picture of what makes all Jupiter work"
Launched on August 5, 2011, Juno came into orbit around Jupiter on July 4, 2016. His scientific work began in earnest on August 27, 2016, the time of the first overflight. During this and those that followed, the instruments of the probe investigated the dark Jovian clouds and their auroras, to learn more about the origins, the inner structure, the atmosphere and the magnetosphere of the planet. "We have already rewritten the textbooks on how the atmosphere works and about the complexity and asymmetry of its magnetic field"said Scott Bolton, principal investigator of Juno, from the Southwest Research Institute. "The second half of the trip should provide the necessary details to refine our understanding of the depth of the zonal winds of Jupiter, the generation of its magnetic field and the structure and evolution of its interior. "
Two instruments on board Juno, the Star Reference Unit and the JunoCam, have proved useful not only for the intended purposes, but also for the collection of scientific data. The first one (SRU, Stellar Reference Unit) was designed to collect engineering data that are used for navigation and determine the movement of the probe, so the scientists were pleased to discover that it also has scientific uses. "We always knew that SRU was a vital engineering element"explains Heidi Becker, from Juno's team."But after making scientific discoveries in the radiation belts and taking a unique image of their rings, we realized the added value of the data. There is a serious scientific interest in what the SRU can tell us about Jupiter. ".
For its part, the JunoCam It was conceived as an outreach instrument to bring the excitement of exploration to the public, which could participate in the choice of objectives via the Internet. But Although originally intended for dissemination, JunoCam has become much more than that"explains Candy Hansen, Juno co-investigator at the Planetary Science Institute in Tucson, Arizona."Our sequences of images on the poles allow us to study the dynamics of the unique circumpolar cyclones of this planet and high-altitude storms. We are also using it to study the structure of the Great Red Spot and its interaction with its environment"The great adventure of Juno, that is crossing the equator of its original mission, continues forward, and at the moment with all its systems in good shape. Much is already achieved, and much more is to come.
The circumpolar cyclones of the north of Jupiter. From images taken during his 15th flyby.
"Emerging" storms captured during the 1st flyby.
Atmospheric disturbance around the Great Red Spot. The orange haze threads appear to be "torn off" by the generated turbulence. From images taken by JunoCam during the 12th overflight.
An oval known as the "brown barge" for obvious reasons, in the north equatorial belt. 15th flyby.
Another oval, this time in the southern equatorial belt. 15th flyby.
Spectacular view of the sea of Jovian clouds, captured during the 11th overflight.
The image version on the left side shows Jupiter in an approximate true color, while the same image on the right has been processed to highlight details near the terminator and reveals four of the five circumpolar cyclones in the south plus the cyclone in the center.
The powerful auroras of Jupiter, whose sharing, observed by the ultraviolet spectrograph of Juno, and which proved different to everything expected.
Atmospheric waves, several tens of kilometers high, captured during the 4th flyby.
And the adventure continues.NASA's Juno Mission Halfway to Jupiter Science
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