Jupiter

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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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Encyclopedia

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
Encyclopædia Britannica

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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)






How a NASA scientist looks in the depths of the Great Red Spot to find water on Jupiter (Lonnie Shekhtman, NASA’s Goddard Space Flight Center)


Preservation

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Babylonian astronomers used geometry to track Jupiter (Philip Ball, Nature)

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All About Jupiter (Space Place, NASA)
Jupiter (Cosmos4Kids)

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Crash Course Astronomy (YouTube)

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Jupiter (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)

Fiction

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OEDILF: The Omnificent English Dictionary In Limerick Form

returntotop

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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.

  • 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.

  • 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.

  • 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.

  • 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.

  • Water common -- yet scarce -- in exoplanets
    on December 11, 2019 at 1:26 pm

    The most extensive survey of atmospheric chemical compositions of exoplanets to date has revealed trends that challenge current theories of planet formation and has implications for the search for water in the solar system and beyond.


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.

  • Eighteen-hour-year planet on edge of destruction
    on February 20, 2020 at 4:28 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.

  • Findings from NASA's Juno update Jupiter water...
    on February 19, 2020 at 12:23 pm

    NASA's Juno mission has provided its first science results on the amount of water in Jupiter's atmosphere. Published recently in the journal Nature Astronomy, the Juno results estimate that at the equator, water makes up about 0.25% of the molecules in Jupiter's atmosphere—almost three times that of the Sun. These are also the first findings on the gas giant's abundance of water since the agency's 1995 Galileo mission suggested Jupiter might be extremely dry compared to the Sun (the […]

  • LOFAR pioneers new way to study exoplanet...
    on February 18, 2020 at 12:11 pm

    sing the Dutch-led Low Frequency Array (LOFAR) radio telescope, astronomers have discovered unusual radio waves coming from the nearby red dwarf star GJ1151. The radio waves bear the tell-tale signature of aurorae caused by an interaction between a star and its planet. The radio emission from a star-planet interaction has been predicted for over thirty-years but this is the first time astronomers have been able to discern its signature. This method, only possible with a sensitive radio […]

  • NASA selects four possible missions to study the...
    on February 14, 2020 at 1:56 pm

    NASA has selected four Discovery Program investigations to develop concept studies for new missions. Although they're not official missions yet and some ultimately may not be chosen to move forward, the selections focus on compelling targets and science that are not covered by NASA's active missions or recent selections. Final selections will be made next year.

  • Citizen scientists discover rare cosmic pairing
    on February 12, 2020 at 5:14 pm

    Citizen scientists have uncovered a bizarre pairing of two brown dwarfs, objects much smaller than the Sun that lack enough mass for nuclear fusion. The discovery, reported in The Astrophysical Journal and confirmed by a scientific team led by astrophysicist Jackie Faherty at the American Museum of Natural History, shows that brown dwarf systems—the formation of which are still poorly understood—can be very low mass and extremely far apart yet inexorably linked.