‘Welcome to Jupiter!’ NASA’s Juno space probe arrives at giant planet

Amanda Barnett
By Amanda Barnett, CNN
Published 9:13 AM EDT, Wed July 6, 2016
This artist rendering shows Juno orbiting Jupiter. The spacecraft will study Jupiter from a polar orbit, coming about 3,000 miles (5,000 kilometers) from the cloud tops of the gas giant.
PHOTO: NASA
This artist rendering shows Juno orbiting Jupiter. The spacecraft will study Jupiter from a polar orbit, coming about 3,000 miles (5,000 kilometers) from the cloud tops of the gas giant.
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Story highlights

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

(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.

“Welcome to Jupiter!” flashed on screens at mission control at NASA’s Jet Propulsion Lab in Pasadena, California.

The Juno team cheered and hugged.

“This is phenomenal,” said Geoff Yoder, acting administrator for NASA’s Science Mission Directorate.

The probe had to conduct a tricky maneuver to slow down enough to allow it to be pulled into orbit: It fired its main engine for 35 minutes, effectively hitting the brakes to slow the spacecraft by about 1,212 miles per hour (542 meters per second).

“NASA did it again,” said Scott Bolton, Juno principal investigator.

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“We’re there, we’re in orbit. We conquered Jupiter.”

“Through tones Juno sang to us and it was a song of perfection,” said Rick Nybakken, Juno Project Manager, referring to the audio signal the probe sent to indicate it was in orbit.

The Juno team celebrates at Mission Control at NASA's Jet Propulsion Laboratory in Pasadena, California.
PHOTO: Ringo H.W. Chiu/AP
The Juno team celebrates at Mission Control at NASA's Jet Propulsion Laboratory in Pasadena, California.

Juno was launched nearly five years ago on a mission to study Jupiter’s composition and evolution. It’s the first spacecraft to orbit Jupiter since Galileo. Galileo was deliberately crashed into Jupiter on September 21, 2003, to protect one of its discoveries – a possible ocean beneath Jupiter’s moon Europa.

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“Preliminary looks are that the spacecraft is performing well ,” said Guy Beutelschies, Director of Interplanetary Missions at Lockheed Martin Space Systems, the company that built the spacecraft.

Steve Levin, Juno Project Scientist, looked ahead to turning on the probe’s instruments again, after they were turned off in preparation for the tricky orbit maneuver.

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“What I’m really looking forward to is getting up close and personal with Jupiter,” he said.

This jack-o-lantern-esque view of Jupiter is a mosaic of images taken by the Gemini North telescope in Hawaii. The bright spots represent Jupiter's internal heat escaping through holes in the planet's massive cloud cover.
Photos: Juno, meet Jupiter
PHOTO: International Gemini Observatory/NOIRLab/NSF/AURA/M.H. Wong/Mahdi Zamani
This jack-o-lantern-esque view of Jupiter is a mosaic of images taken by the Gemini North telescope in Hawaii. The bright spots represent Jupiter's internal heat escaping through holes in the planet's massive cloud cover.
Part of Jupiter's southern equatorial region can be seen in this image captured by Juno's JunoCam imager. But it's flipped to show the expanse of Jupiter's atmosphere, with the poles to the left and right, rather than top to bottom.
Photos: Juno, meet Jupiter
PHOTO: NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill
Part of Jupiter's southern equatorial region can be seen in this image captured by Juno's JunoCam imager. But it's flipped to show the expanse of Jupiter's atmosphere, with the poles to the left and right, rather than top to bottom.
In this image captured by Juno, six cyclones remain stable at Jupiter's south pole. A small cyclone, seen at the bottom right in yellow, has recently joined the party.
Photos: Juno, meet Jupiter
PHOTO: NASA/JPL-Caltech/SwRI/ASI/INAF/JIRAM
In this image captured by Juno, six cyclones remain stable at Jupiter's south pole. A small cyclone, seen at the bottom right in yellow, has recently joined the party.
An artist's impression of a collision between a young Jupiter and a massive, still-forming protoplanet in the early solar system.
Photos: Juno, meet Jupiter
PHOTO: K. Suda & Y. Akimoto/Mabuchi Design Office/Astrobiology Center Japan
An artist's impression of a collision between a young Jupiter and a massive, still-forming protoplanet in the early solar system.
These dramatic swirls on Jupiter are atmospheric features. Clouds swirl around a circular feature in a jet stream region.
Photos: Juno, meet Jupiter
PHOTO: Kevin M. Gill/NASA
These dramatic swirls on Jupiter are atmospheric features. Clouds swirl around a circular feature in a jet stream region.
Is that a dolphin on Jupiter? No, but it definitely looks like one. It's actually a cloud that looks like it's swimming through cloud bands along the South Temperate Belt.
Photos: Juno, meet Jupiter
PHOTO: Brian Swift/Seán Doran/NASA
Is that a dolphin on Jupiter? No, but it definitely looks like one. It's actually a cloud that looks like it's swimming through cloud bands along the South Temperate Belt.
This composite image, derived from data collected by the Jovian Infrared Auroral Mapper (JIRAM) instrument aboard NASA's Juno mission to Jupiter, shows the central cyclone at the planet's north pole and the eight cyclones that encircle it.
Photos: Juno, meet Jupiter
PHOTO: JPL-Caltech/SwRI/ASI/INAF/JIRAM/NASA
This composite image, derived from data collected by the Jovian Infrared Auroral Mapper (JIRAM) instrument aboard NASA's Juno mission to Jupiter, shows the central cyclone at the planet's north pole and the eight cyclones that encircle it.
This striking image of Jupiter was captured by NASA's Juno spacecraft as it performed its eighth flyby of the gas giant.
Photos: Juno, meet Jupiter
PHOTO: NASA/JPL-Caltech/SwRI/MSSS/Gerald Eichstädt
This striking image of Jupiter was captured by NASA's Juno spacecraft as it performed its eighth flyby of the gas giant.
Algorithmic-based scaling and coloring reveal a vivid look at the Great Red Spot in July 2017.
Photos: Juno, meet Jupiter
PHOTO: Shawn Handran/NASA
Algorithmic-based scaling and coloring reveal a vivid look at the Great Red Spot in July 2017.
Jupiter's Great Red Spot is a storm with a 10,000-mile-wide cluster of clouds in July 2017.
Photos: Juno, meet Jupiter
PHOTO: NASA
Jupiter's Great Red Spot is a storm with a 10,000-mile-wide cluster of clouds in July 2017.
Color enhancements offer a detailed look into the Great Red Spot.
Photos: Juno, meet Jupiter
PHOTO: Tom Momary/NASA
Color enhancements offer a detailed look into the Great Red Spot.
NASA configured this comparison of its own image of Earth with an image of Jupiter taken by astronomer Christopher Go.
Photos: Juno, meet Jupiter
PHOTO: NASA/JPL-Caltech/SwRI/MSSS/Christopher Go
NASA configured this comparison of its own image of Earth with an image of Jupiter taken by astronomer Christopher Go.
This artist's concept shows the pole-to-pole orbits of the NASA's Juno spacecraft at Jupiter.
Photos: Juno, meet Jupiter
PHOTO: NASA/JPL-Caltech/SwRI
This artist's concept shows the pole-to-pole orbits of the NASA's Juno spacecraft at Jupiter.
This image shows Jupiter's south pole, as seen by NASA's Juno spacecraft from an altitude of 32,000 miles (52,000 kilometers). The oval features are cyclones, up to 600 miles (1,000 kilometers) in diameter. Multiple images taken with the JunoCam instrument on three orbits were combined to show all areas in daylight, enhanced color and stereographic projection.
Photos: Juno, meet Jupiter
PHOTO: NASA/JPL-Caltech/SwRI/MSSS/Betsy Asher Hall/Gervasio Robles
This image shows Jupiter's south pole, as seen by NASA's Juno spacecraft from an altitude of 32,000 miles (52,000 kilometers). The oval features are cyclones, up to 600 miles (1,000 kilometers) in diameter. Multiple images taken with the JunoCam instrument on three orbits were combined to show all areas in daylight, enhanced color and stereographic projection.
An even closer view of Jupiter's clouds obtained by NASA's Juno spacecraft.
Photos: Juno, meet Jupiter
PHOTO: NASA/SWRI/MSSS/Gerald Eichstädt/Seán Doran
An even closer view of Jupiter's clouds obtained by NASA's Juno spacecraft.
Jupiter's north polar region comes into view as NASA's Juno spacecraft approaches the giant planet. This view of Jupiter was taken when Juno was 437,000 miles (703,000 kilometers) away during its first of 36 orbital flybys of the planet.
Photos: Juno, meet Jupiter
PHOTO: JPL-Caltech/SwRI/MSSS/NASA
Jupiter's north polar region comes into view as NASA's Juno spacecraft approaches the giant planet. This view of Jupiter was taken when Juno was 437,000 miles (703,000 kilometers) away during its first of 36 orbital flybys of the planet.
This infrared image gives an unprecedented view of the southern aurora of Jupiter, as captured by NASA's Juno spacecraft on August 27, 2016. Juno's unique polar orbit provides the first opportunity to observe this region of the gas-giant planet in detail.
Photos: Juno, meet Jupiter
PHOTO: NASA/JPL-Caltech/SwRI/ASI/INAF/J
This infrared image gives an unprecedented view of the southern aurora of Jupiter, as captured by NASA's Juno spacecraft on August 27, 2016. Juno's unique polar orbit provides the first opportunity to observe this region of the gas-giant planet in detail.
NASA's Juno spacecraft has sent back its first photo of Jupiter, left, since entering into orbit around the planet. The photo is made from some of the first images taken by JunoCam and shows three of the massive planet's four largest moons: from left, Io, Europa and Ganymede.
Photos: Juno, meet Jupiter
PHOTO: NASA/JPL-Caltech/SwRI/MSSS
NASA's Juno spacecraft has sent back its first photo of Jupiter, left, since entering into orbit around the planet. The photo is made from some of the first images taken by JunoCam and shows three of the massive planet's four largest moons: from left, Io, Europa and Ganymede.
An illustration depicts NASA's Juno spacecraft entering Jupiter's orbit. Juno will study Jupiter from a polar orbit, coming about 3,000 miles (5,000 kilometers) from the cloud tops of the gas giant.
Photos: Juno, meet Jupiter
PHOTO: Caltech/JPL/NASA
An illustration depicts NASA's Juno spacecraft entering Jupiter's orbit. Juno will study Jupiter from a polar orbit, coming about 3,000 miles (5,000 kilometers) from the cloud tops of the gas giant.
This was the final view of Jupiter taken by Juno before the on-board instruments were powered down to prepare for orbit. The image was taken June 29, 2016, while the spacecraft was 3.3 million miles (5.3 million kilometers) from Jupiter.
Photos: Juno, meet Jupiter
PHOTO: NASA
This was the final view of Jupiter taken by Juno before the on-board instruments were powered down to prepare for orbit. The image was taken June 29, 2016, while the spacecraft was 3.3 million miles (5.3 million kilometers) from Jupiter.
NASA's Hubble Space Telescope captured images of Jupiter's auroras on the poles of the gas giant. The observations were supported by measurements taken by Juno.
Photos: Juno, meet Jupiter
PHOTO: NASA/ESA/J. Nichols
NASA's Hubble Space Telescope captured images of Jupiter's auroras on the poles of the gas giant. The observations were supported by measurements taken by Juno.
This artist rendering shows Juno orbiting Jupiter.
Photos: Juno, meet Jupiter
PHOTO: NASA
This artist rendering shows Juno orbiting Jupiter.
Jupiter and the gaseous planet's four largest moons -- Io, Europa, Ganymede and Callisto -- are seen in a photo taken by Juno on June 21, 2016. The spacecraft was 6.8 million miles (10.9 million kilometers) from the planet.
Photos: Juno, meet Jupiter
PHOTO: NASA
Jupiter and the gaseous planet's four largest moons -- Io, Europa, Ganymede and Callisto -- are seen in a photo taken by Juno on June 21, 2016. The spacecraft was 6.8 million miles (10.9 million kilometers) from the planet.
Juno made a flyby of Earth in October 2014. This trio of images was taken by the spacecraft's JunoCam.
Photos: Juno, meet Jupiter
PHOTO: NASA
Juno made a flyby of Earth in October 2014. This trio of images was taken by the spacecraft's JunoCam.
Three Lego figurines are flying aboard the Juno spacecraft. They represent the Roman god Jupiter; his wife, Juno; and Galileo Galilei, the scientist who discovered Jupiter's four largest moons on January 7, 1610.
Photos: Juno, meet Jupiter
PHOTO: NASA
Three Lego figurines are flying aboard the Juno spacecraft. They represent the Roman god Jupiter; his wife, Juno; and Galileo Galilei, the scientist who discovered Jupiter's four largest moons on January 7, 1610.
Jupiter was 445 million miles (716 million kilometers) from Earth when Juno was launched from Cape Canaveral, Florida, on August 5, 2011. But the probe traveled a total distance of 1,740 million miles (2,800 million kilometers) to reach Jupiter, making a flyby of Earth to help pick up speed.
Photos: Juno, meet Jupiter
PHOTO: NASA
Jupiter was 445 million miles (716 million kilometers) from Earth when Juno was launched from Cape Canaveral, Florida, on August 5, 2011. But the probe traveled a total distance of 1,740 million miles (2,800 million kilometers) to reach Jupiter, making a flyby of Earth to help pick up speed.
Technicians use a crane to lower Juno onto a stand where the spacecraft was loaded with fuel for its mission.
Photos: Juno, meet Jupiter
PHOTO: NASA
Technicians use a crane to lower Juno onto a stand where the spacecraft was loaded with fuel for its mission.
Technicians test the three massive solar arrays that power the Juno spacecraft. In this photo taken February 2, 2011, each solar array is unfurled at a Lockheed Martin Space Systems facility in Denver.
Photos: Juno, meet Jupiter
PHOTO: NASA
Technicians test the three massive solar arrays that power the Juno spacecraft. In this photo taken February 2, 2011, each solar array is unfurled at a Lockheed Martin Space Systems facility in Denver.

Gas giant

01:01 - Source: CNN Business
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