Discover and read the best of Twitter Threads about #junomission
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In clear skies, the planet Jupiter will be visible as a brilliant "star" in the east after sunset. With binoculars, the planet's largest moons can be seen as points of light nearby. One of those points is Europa. Within hours, our #JunoMission will be there.🧵 1/6 
That little dot is actually a complex, intriguing world. Europa is about size of Earth's Moon. Beneath its cold outer shell of ice, scientists think it hides a global ocean of liquid water. The evidence came from several NASA spacecraft that flew by Jupiter over the years... 2/6
...and one in particular, the Galileo mission, which orbited the planet and observed Europa and its magnetic field up close. solarsystem.nasa.gov/galileo 3/6
Did you catch bright Jupiter in the eastern sky tonight? If not, don't worry, it will be brilliant for days to come. go.nasa.gov/3QVyxNv
To the naked eye, Jupiter will appear as a very bright "star." Here's what it looked like earlier this week as seen through a skylight in a lava tube at Craters of the Moon National Monument.
With a small telescope, or even binoculars, Jupiter's largest moons are also visible. Learn more about the giant planet at solarsystem.nasa.gov/jupiter
Some of the most intriguing features visible in the new @NASAWebb Jupiter images are the giant planet's rings. @NASAVoyager scientists made the surprise discovery in 1979, and our #JunoMission even captured a view of them looking from the inside out! 1/3
As the Juno spacecraft zipped through the narrow gap between Jupiter's radiation belts and the planet during its first science flyby in August 2016, a star tracking camera collected this image showing the dusty rings and the stars beyond, including bright Betelgeuse. 2/3
Juno also captures close-ups of Jupiter from Jovian orbit. Like the @NASAWebb images released yesterday, these are often processed from raw data by #CitizenScientist members of the public, such as this one by Andrea Luck. Learn more and see the latest: missionjuno.swri.edu/junocam/proces… 3/3
There was a flurry of activity on the surface of the Sun this week, including large solar flares and storms. Here, @NASASun’s Solar Dynamics Observatory in Earth orbit captured an especially active solar region on Nov. 2.
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The Sun launched multiple coronal mass ejections (CMEs) that sent waves of charged particles toward Earth. The SOHO spacecraft caught one as it blasted out into the solar system.
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When these particles arrived at Earth, its magnetic field directed them toward the north & south poles, where they lit up the atmosphere with auroras. These geomagnetic storms were so powerful that people far from the poles got to see the show. This view was captured in Utah. 3/4
Another look at Jupiter's moon Ganymede from the #JunoMission’s June 7 flyby. Citizen scientist Kevin M. Gill processed this view from raw JunoCam images, which are available at missionjuno.swri.edu/junocam/proces…
Here are a closeup and an enhanced-color view, both processed by Gerald Eichstädt.
Learn more about Ganymede and Jupiter’s other intriguing moons at solarsystem.nasa.gov/moons/jupiter-…
Follow along with the Juno mission at missionjuno.swri.edu
Learn more about Ganymede and Jupiter’s other intriguing moons at solarsystem.nasa.gov/moons/jupiter-…
Follow along with the Juno mission at missionjuno.swri.edu
An artistic take by Navaneeth Krishnan S on a crater chain on Ganymede called Enki Catena
At this very moment, our #JunoMission is approaching Jupiter’s giant moon Ganymede. Learn more about this historic flyby: missionjuno.swri.edu/news/nasas-jun…
Track Juno’s position in real time with our 3D solar system simulation: go.nasa.gov/3x1a5kU
Track Juno’s position in real time with our 3D solar system simulation: go.nasa.gov/3x1a5kU
The Juno spacecraft continues its approach on the night side of Ganymede.
Current distance to Ganymede: about 16,000 miles (26,000 kilometers).
Speed relative to Ganymede: about 41,000 MPH (66,000 kilometers per hour).
Current distance to Ganymede: about 16,000 miles (26,000 kilometers).
Speed relative to Ganymede: about 41,000 MPH (66,000 kilometers per hour).
Closing in! Current distance: 6,000 miles (9,600 kilometers). Current speed: 41,300 MPH (66,500 kilometers per hour).
