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Solar system's most distant planetoid confirmed
Manoa HI (SPX) Feb 11, 2021 A team, including an astronomer from the University of Hawaii Institute for Astronomy (IfA), have confirmed a planetoid that is almost four times farther from the Sun than Pluto, making it the most distant object ever observed in our solar system. The planetoid, nicknamed "Farfarout," was first detected in 2018, and the team has now collected enough observations to pin down the orbit. The Minor Planet Center has now given it the official designation of 2018 AG37. Farfarout's name distinguished it ... read more |
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Peering at the Surface of a Nearby MoonWashington DC (SPX) Feb 01, 2021 Among Jupiter's Galilean moons, icy Europa or volcanic Io often take the spotlight - but their sibling moon Ganymede has plenty of secrets to share. Powerful new millimeter observations have now pro ... more 
A Hot Spot on JupiterWashington DC (SPX) Jan 22, 2021 This composite image shows a hot spot in Jupiter's atmosphere. In the image on the left, taken on Sept. 16, 2020 by the Gemini North Telescope, the hot spot appears bright in the infrared at a wavel ... more 
The 15th Anniversary of New Horizons Leaving EarthBoulder CO (SPX) Jan 21, 2021 New Horizons is healthy and continues to send data back from the Kuiper Belt, even as it speeds farther and farther from the Earth and the Sun. But the mission's jam-packed plans for new Kuipe ... more 
Juno mission expands into the futureWashington DC (SPX) Jan 15, 2021 NASA has authorized a mission extension for its Juno spacecraft exploring Jupiter. The agency's most distant planetary orbiter will now continue its investigation of the solar system's largest plane ... more |
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Radiation Does a Bright Number on Jupiter's MoonPasadena CA (JPL) Nov 10, 2020 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 ... more
New plans afoot beyond PlutoBoulder CO (SPX) Nov 06, 2020 New Horizons is healthy and continuing to send data back from the flyby of the Kuiper Belt object (KBO) Arrokoth back in late 2018 and early 2019, even as it speeds deeper into the Kuiper Belt and f ... more 
Where were Jupiter and Saturn born?Washington DC (SPX) Oct 30, 2020 New work led by Carnegie's Matt Clement reveals the likely original locations of Saturn and Jupiter. These findings refine our understanding of the forces that determined our Solar System's unusual ... more 
NASA's Webb To Examine Objects in the Graveyard of the Solar SystemBaltimore MD (SPX) Oct 29, 2020 Beyond the orbit of Neptune, a diverse collection of thousands of dwarf planets and other relatively small objects dwells in a region called the Kuiper Belt. These often-pristine leftovers from our ... more 
Lighting a Path to Find Planet NineNew Haven CT (SPX) Oct 28, 2020 The search for Planet Nine - a hypothesized ninth planet in our solar system - may come down to pinpointing the faintest orbital trails in an incredibly dark corner of space. That's exactly wh ... more |
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The mountains of Pluto are snowcapped, but not for the same reasons as on Earth
Paris, France (SPX) Oct 14, 2020 In 2015, the New Horizons space probe discovered spectacular snowcapped mountains on Pluto, which are strikingly similar to mountains on Earth. Such a landscape had never before been observed elsewhere in the Solar System. 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 ice come from? An international team led by CNRS scientists* conducted this exploration. They first determined that ... read more 
Arrokoth: Flattening of a snowmanKatlenburg-Lindau, Germany (SPX) Oct 07, 2020 The many millions of bodies populating the Kuiper Belt beyond Neptune's orbit are yet to reveal many of their secrets. In the 1980s, the space probes Pioneer 1 and 2 as well as Voyager 1 and 2 cross ... more |
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SwRI study describes discovery of close binary trans-Neptunian objectSan Antonio TX (SPX) Sep 29, 2020 A new study authored by Southwest Research In-stitute scientists Rodrigo Leiva and Marc Buie reveals the binary nature of a trans-Neptunian object (TNO). Leiva and Buie utilized data obtained by the ... more 
JPL meets unique challenge, delivers radar hardware for Jupiter MissionPasadena CA (JPL) Sep 22, 2020 Engineers at NASA's Jet Propulsion Laboratory met a significant milestone recently by delivering key elements of an ice-penetrating radar instrument for an ESA (European Space Agency) mission to exp ... more 
Astronomers characterize Uranian moons using new imaging analysisWashington DC (UPI) Sep 14, 2020 Using new image processing techniques, researchers at the Max Planck Institute for Astronomy were able to characterize the physical properties of Uranus' five moons, according to a study published Monday in the journal Astronomy and Astrophysics. ... more 
Jupiter's moons could be warming each otherTucson AZ (SPX) Sep 11, 2020 Jupiter's moons are hot. Well, hotter than they should be, for being so far from the sun. In a process called tidal heating, gravitational tugs from Jupiter's moons and the planet itself stretch and ... more 
Atomistic modelling probes the behavior of matter at the center of JupiterZurich, Switzerland (SPX) Sep 10, 2020 The hydrogen atom, with its single proton orbited by a single electron, is arguably the simplest material out there. Elemental hydrogen can nonetheless exhibit extremely complex behavior - at megaba ... more |
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