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Juno Mission (NASA)
Mission Juno (Southwest Research Institute)
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General
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Solar System Exploration: Jupiter (NASA)
Jupiter Portal (Wikipedia)
Dictionary
Jupiter : the largest of the planets and fifth in order from the sun — Webster
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Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a giant planet with a mass one-thousandth that of the Sun, but two and a half times that of all the other planets in the Solar System combined. Jupiter is a gas giant, along with Saturn, with the other two giant planets, Uranus and Neptune, being ice giants. Jupiter was known to astronomers of ancient times. The Romans named it after their god Jupiter.
Jupiter is primarily composed of hydrogen with a quarter of its mass being helium, though helium comprises only about a tenth of the number of molecules. It may also have a rocky core of heavier elements, but like the other giant planets, Jupiter lacks a well-defined solid surface. Because of its rapid rotation, the planet’s shape is that of an oblate spheroid (it has a slight but noticeable bulge around the equator). The outer atmosphere is visibly segregated into several bands at different latitudes, resulting in turbulence and storms along their interacting boundaries. A prominent result is the Great Red Spot, a giant storm that is known to have existed since at least the 17th century when it was first seen by telescope. Surrounding Jupiter is a faint planetary ring system and a powerful magnetosphere. Jupiter has at least 67 moons, including the four large Galilean moons discovered by Galileo Galilei in 1610. Ganymede, the largest of these, has a diameter greater than that of the planet Mercury. — Wikipedia
Jupiter (Eric Weisstein’s World of Astronomy, Wolfram Research)
David Darling’s Internet Encyclopedia of Science
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Science
NASA Investigates Invisible Magnetic Bubbles in Outer Solar System (NASA Goddard)
Juno shows Jupiter’s magnetic field is very different from Earth’s (Bob Yirka, Phys.org)
In this animation the viewer is taken low over Jupiter’s north pole to illustrate the 3-D aspects of the region’s central cyclone and the eight cyclones that encircle it.
The movie utilizes imagery derived from data collected by the Jovian Infrared Auroral Mapper (JIRAM) instrument aboard NASA’s Juno mission during its fourth pass over the massive planet. Infrared cameras are used to sense the temperature of Jupiter’s atmosphere and provide insight into how the powerful cyclones at Jupiter’s poles work. In the animation, the yellow areas are warmer (or deeper into Jupiter’s atmosphere) and the dark areas are colder (or higher up in Jupiter’s atmosphere). In this picture the highest “brightness temperature” is around 260K (about -13°C) and the lowest around 190K (about -83°C). The “brightness temperature” is a measurement of the radiance, at 5 µm, traveling upward from the top of the atmosphere towards Juno, expressed in units of temperature.
NASA’s Juno Mission Provides Infrared Tour of Jupiter’s North Pole (NASA)
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Babylonian astronomers used geometry to track Jupiter (Philip Ball, Nature)
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All About Jupiter (Space Place, NASA)
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Gaze Upon Jupiter’s Enormity in this Amazing Fly-By Video (Harley Locke, Wired)
NASA gives Jupiter the Van Gogh treatment with magnificent new image (Jackson Ryan, CNET)
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OEDILF: The Omnificent English Dictionary In Limerick Form
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Jupiter News -- ScienceDaily Jupiter Research. From Hubble's latest pictures of Jupiter's new red spot to astronomy articles on Jupiter's moons, learn all the Jupiter facts here.
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Safety zone saves giant moons from fatal plunge
on March 9, 2020 at 3:02 pm
Numerical simulations showed that the temperature gradient in the disk of gas around a young gas giant planet could play a critical role in the development of a satellite system dominated by a single large moon, similar to Titan around Saturn. Researchers found that dust in the circumplanetary disk can create a 'safety zone,' which keeps the moon from falling into the planet as the system evolves.
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18-hour year planet on edge of destruction
on February 20, 2020 at 3:40 pm
Astronomers from the University of Warwick have observed an exoplanet orbiting a star in just over 18 hours, the shortest orbital period ever observed for a planet of its type.
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Scientists pioneer new way to study exoplanets
on February 18, 2020 at 3:47 pm
A team of scientists using the Low Frequency Array radio telescope in the Netherlands has observed radio waves that carry the distinct signatures of aurorae, caused by the interaction between a star's magnetic field and a planet in orbit around it.
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How the solar system got its 'Great Divide,' and...
on January 13, 2020 at 4:10 pm
Scientists have finally scaled the solar system's equivalent of the Rocky Mountain range.
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Massive gas disk raises questions about planet...
on December 23, 2019 at 5:28 pm
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found a young star surrounded by an astonishing mass of gas. The star, called 49 Ceti, is 40 million years old and conventional theories of planet formation predict that the gas should have disappeared by that age. The enigmatically large amount of gas requests a reconsideration of our current understanding of planet formation.
Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
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Revisiting decades-old Voyager 2 data, scientists...
on March 26, 2020 at 12:12 pm
Eight and a half years into its grand tour of the solar system, NASA's Voyager 2 spacecraft was ready for another encounter. It was Jan. 24, 1986, and soon it would meet the mysterious seventh planet, icy-cold Uranus.
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Solar system acquired current configuration not...
on March 24, 2020 at 11:20 am
The hypothesis that the solar system originated from a gigantic cloud of gas and dust was first floated in the second half of the 18th century by German philosopher Immanuel Kant and further developed by French mathematician Pierre-Simon de Laplace. It is now a consensus among astronomers. Thanks to the enormous amount of observational data, theoretical input and computational resources now available, it has been continually refined, but this is not a linear process.
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Image: The southern hemisphere of Jupiter
on March 19, 2020 at 12:15 pm
NASA's Juno mission captured this look at the southern hemisphere of Jupiter on Feb. 17, 2020, during the spacecraft's most recent close approach to the giant planet.
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Jupiter's red spot thickness remains steady as...
on March 17, 2020 at 2:19 pm
A team of researchers affiliated with Aix-Marseille Université has found evidence that suggests the thickness of Jupiter's red spot has remained relatively stable as its surface area has decreased. In their paper published in the journal Nature Physics, the group describes how they estimated the thickness of the spot and why they believe it is not going to disappear anytime soon.
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What other planets can teach us about Earth
on March 5, 2020 at 1:10 pm
Sometimes, you need to leave home to understand it. For Stanford planetary geologist Mathieu Lapôtre, "home" encompasses the entire Earth.