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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)
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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)
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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.
- Where were Jupiter and Saturn born?on October 29, 2020 at 3:58 pm
New work reveals the likely original locations of Saturn and Jupiter. These findings refine our understanding of the forces that determined our Solar System's unusual architecture, including the ejection of an additional planet between Saturn and Uranus, ensuring that only small, rocky planets, like Earth, formed inward of Jupiter.
- Juno data indicates 'sprites' or 'elves' frolic...on October 28, 2020 at 6:31 pm
An instrument on NASA's Juno mission spacecraft may have detected transient luminous events -- bright flashes of light in the gas giant's upper atmosphere.
- Stars and planets grow up together as siblingson October 23, 2020 at 11:10 pm
ALMA shows rings around the still-growing proto-star IRS 63.
- ALMA shows volcanic impact on Io's atmosphereon October 21, 2020 at 8:39 pm
New radio images from ALMA show for the first time the direct effect of volcanic activity on the atmosphere of Jupiter's moon Io.
- Venus might be habitable today, if not for Jupiteron September 30, 2020 at 12:51 pm
Venus might not be a sweltering, waterless hellscape today, if Jupiter hadn't altered its orbit around the sun, according to new research.
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.
- In December, Jupiter, Saturn will look like...on November 20, 2020 at 3:42 pm
Just after sunset on the evening of Dec. 21, Jupiter and Saturn will appear closer together in Earth's night sky than they have been since the Middle Ages, offering people the world over a celestial treat to ring in the winter solstice.
- Weather on Jupiter and Saturn may be driven by...on November 16, 2020 at 2:50 pm
A trio of researchers, two with Harvard University, the other the University of Alberta, has found evidence that weather on Saturn and Jupiter may be driven by dramatically different forces than weather on Earth. In their paper published in the journal Science Advances, Rakesh Kumar Yadav, Moritz Heimpel and Jeremy Bloxham describe computer simulations showing that major weather systems on Jupiter and Saturn might be driven by internal rather than external forces, resulting in outcomes such as […]
- Potential plumes on Europa could come from water...on November 13, 2020 at 10:59 pm
Plumes of water vapor that may be venting into space from Jupiter's moon Europa could come from within the icy crust itself, according to new research. A model outlines a process for brine, or salt-enriched water, moving around within the moon's shell and eventually forming pockets of water—even more concentrated with salt—that could erupt.
- Europa glows: Radiation does a bright number on...on November 9, 2020 at 5:41 pm
As the icy, ocean-filled moon Europa orbits Jupiter, it withstands a relentless pummeling of radiation. Jupiter zaps Europa's surface night and day with electrons and other particles, bathing it in high-energy radiation. But as these particles pound the moon's surface, they may also be doing something otherworldly: making Europa glow in the dark.
- Rogue planets: hunting the galaxy's most...on November 9, 2020 at 3:52 pm
Most known planets orbit a star. These planets, including Earth, benefit from the star's warmth and light. And it is the light emitted from these stars which makes it possible for us to see them. But there are also "invisible" planets, hidden from our gaze, which float, abandoned, through the cosmos. These dark, lonely worlds have no star to orbit, no light in which to bask, no warmth to be radiated by. They are the "rogue" planets—and astronomers have just found a new one, roughly the same […]