OUTERPLANETS

845 articles

Jupiter's Great Red Spot feeds on smaller storms
Mar 18, 2021 (SPX)
The smaller storms cause chunks of red clouds to flake off, shrinking the larger storm in the process. But the new study found that these disruptions are "super...
Juno reveals dark origins of one of Jupiter's grand light shows
Mar 17, 2021 (JPL)
These immense, transient displays of light occur at both Jovian poles and had previously been observed only by ground-based and Earth-orbiting observatories, no...
NASA starts building Europa Clipper to investigate icy, ocean moon of Jupiter
Mar 03, 2021 (UPI)
The agency has been designing and building 10 instruments for the $4.5 billion mission since 2016, and technicians are assembling the parts at NASA's California...
SwRI scientists image a bright meteoroid explosion in Jupiter's atmosphere
Feb 24, 2021 (SPX)
"Jupiter undergoes a huge number of impacts per year, much more than the Earth, so impacts themselves are not rare," said SwRI's Dr. Rohini Giles, lead author o...
Solar system's most distant planetoid confirmed
Feb 11, 2021 (SPX)
Farfarout's name distinguished it from the previous record holder "Farout," found by the same team of astronomers in 2018. The team includes UH Manoa's David Th...
Peering at the Surface of a Nearby Moon
Feb 01, 2021 (SPX)
The frozen, alien landscape of Ganymede contains a little of everything. Shadowy regions of ancient, battered dark terrain are cross-cut by newer patches of ice...
A Hot Spot on Jupiter
Jan 22, 2021 (SPX)
The inset image on the right was taken by the JunoCam visible-light imager aboard NASA's Juno spacecraft, also on Sept. 16, during Juno's 29th close pass by Jup...
The 15th Anniversary of New Horizons Leaving Earth
Jan 21, 2021 (SPX)
But the mission's jam-packed plans for new Kuiper Belt exploration this year are not the subject of this PI Perspective. Instead, I want to concentrate on a ver...
Juno mission expands into the future
Jan 15, 2021 (SPX)
"Since its first orbit in 2016, Juno has delivered one revelation after another about the inner workings of this massive gas giant," said principal investigator...
The 'Great' Conjunction of Jupiter and Saturn
Dec 16, 2020 (JPL)
In 1610, Italian astronomer Galileo Galilei pointed his telescope to the night sky, discovering the four moons of Jupiter - Io, Europa, Ganymede, and Callisto. ...
Dark Storm on Neptune reverses direction, possibly shedding a fragment
Dec 16, 2020 (SPX)
The storm, which is wider than the Atlantic Ocean, was born in the planet's northern hemisphere and discovered by Hubble in 2018. Observations a year later show...
NASA's Juno Spacecraft Updates Quarter-Century Jupiter Mystery
Dec 14, 2020 (JPL)
New data from NASA's Juno spacecraft suggests that these "hot spots" are much wider and deeper than anticipated. The findings on Jupiter's hot spots, along with...
Swedish space instrument participates in the search for life around Jupiter
Nov 19, 2020 (SPX)
Prof. Stas Barbash is the Principal Investigator for the instrument Particle Environment Package (PEP) on board the European Space Agency's spacecraft JUICE (JU...
Researchers model source of eruption on Jupiter's moon Europa
Nov 11, 2020 (SPX)
Rather than originating from deep within Europa's oceans, some eruptions may originate from water pockets embedded in the icy shell itself, according to new evi...
Radiation Does a Bright Number on Jupiter's Moon
Nov 10, 2020 (JPL)
New research from scientists at NASA's Jet Propulsion Laboratory in Southern California details for the first time what the glow would look like, and what it co...
New plans afoot beyond Pluto
Nov 06, 2020 (SPX)
By next spring, New Horizons will be 50 times as far from the Sun as the Earth is - only the fifth operating spacecraft to reach that distance. But as far as we...
Where were Jupiter and Saturn born?
Oct 30, 2020 (SPX)
In its youth, our Sun was surrounded by a rotating disk of gas and dust from which the planets were born. The orbits of early formed planets were thought to be ...
NASA's Webb To Examine Objects in the Graveyard of the Solar System
Oct 29, 2020 (SPX)
"These are objects that are in the graveyard of solar system formation," explained Cornell University's Jonathan Lunine, a Webb Interdisciplinary Scientist who ...
Lighting a Path to Find Planet Nine
Oct 28, 2020 (SPX)
That's exactly what Yale astronomers Malena Rice and Gregory Laughlin are attempting with a technique that scoops up scattered light from thousands of space tel...
The mountains of Pluto are snowcapped, but not for the same reasons as on Earth
Oct 14, 2020 (SPX)
However, as atmospheric temperatures on our planet decrease at altitude, on Pluto they heat up at altitude as a result of solar radiation. So where does this ic...
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