Search results for Trans Neptunian Object

Astronomy Jun 25, 2019

Study shows how icy outer solar system satellites may have formed

Using sophisticated computer simulations and observations, a team led by researchers from the Earth-Life Science Institute (ELSI) at Tokyo Institute of Technology has shown how the so-called trans-Neptunian objects (or TNOs) ...

Astronomy May 22, 2019

Neptune's moon Triton fosters rare icy union

Astronomers using the Gemini Observatory explore Neptune's largest moon Triton and observe, for the first time beyond the lab, an extraordinary union between carbon monoxide and nitrogen ices. The discovery offers insights ...

Space Exploration Feb 19, 2019

Rosetta's comet sculpted by stress

Feeling stressed? You're not alone. ESA's Rosetta mission has revealed that geological stress arising from the shape of Comet 67P/Churyumov–Gerasimenko has been a key process in sculpting the comet's surface and interior ...

Astronomy Jan 21, 2019

Mystery orbits in outermost reaches of solar system not caused by 'Planet Nine'

The strange orbits of some objects in the farthest reaches of our solar system, hypothesised by some astronomers to be shaped by an unknown ninth planet, can instead be explained by the combined gravitational force of small ...

Astronomy Nov 19, 2018

Odd bodies, rapid spins keep cosmic rings close

Forget those shepherding moons. Gravity and the odd shapes of asteroid Chariklo and dwarf planet Haumea—small objects deep in our solar system—can be credited for forming and maintaining their own rings, according new research ...

Astronomy Oct 10, 2018

The threat of centaur solar system objects for the Earth

Astrophysicists Mattia Galiazzo and Rudolf Dvorak from the University of Vienna, in collaboration with Elizabeth A. Silber (Brown University, U.S.) investigated the long-term path development of centaurs, solar system minor ...

Astronomy Oct 2, 2018

New extremely distant solar system object found during hunt for Planet X

Carnegie's Scott Sheppard and his colleagues—Northern Arizona University's Chad Trujillo, and the University of Hawaii's David Tholen—are once again redefining our Solar System's edge. They discovered a new extremely distant ...

Astronomy Aug 16, 2018

Oort clouds around other stars should be visible in the cosmic microwave background

For decades, scientists have theorized that beyond the edge of the solar system, at a distance of up to 50,000 AU (0.79 ly) from the sun, there lies a massive cloud of icy planetesimals known as the Oort Cloud. Named in honor ...

Astronomy May 25, 2018

How we discovered 840 minor planets beyond Neptune – and what they can tell us

Our solar system is a tiny but wonderfully familiar corner of the vast, dark universe – we have even been able to land spacecraft on our celestial neighbours. Yet its outer reaches are still remarkably unmapped. Now we have ...

Astronomy May 24, 2018

Kepler begins 18th observing campaign with a focus on star clusters

NASA's planet-hunting Kepler spacecraft began the 18th observing campaign of its extended mission, K2, on May 12. For the next 82 days, Kepler will stare at clusters of stars, faraway galaxies, and a handful of solar system ...

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