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Does 'Planet Nine' Exist? Astronomers Say An Unseen Disk of Icy Space Rocks May Explain Things

Discover Magazine - Tue 22 Jan 19

For years, some astronomers have suspected that a planet lies beyond Neptune’s orbit in the far reaches of our solar system — a mysterious, giant planet dubbed “Planet Nine.” That theory ...

Is it Planet Nine or a massive disc?

Cosmos Magazine - Mon 21 Jan 19

There’s another suggestion for what’s causing some unusual orbital architecture. Nick Carne reports.

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

Phys.org - Mon 21 Jan 19

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 ...

Mystery orbits in outermost reaches of solar system not caused by ‘Planet Nine’, Astrobiology Magazine - Sat 26 Jan 19
Mystery orbits in outermost reaches of solar system not caused by 'Planet Nine', ScienceDaily - Mon 21 Jan 19
Mystery orbits in outermost reaches of solar system not caused by 'Planet Nine', Eurekalert - Mon 21 Jan 19

Mysterious objects deep in space may replace Planet 9 theory

ZME Science - Mon 28 Jan 19

An icy disk of smaller objects might be a better explanation.

No Planet Nine? Weird Orbits of Distant Objects May Have Different Explanation

Livescience - Tue 22 Jan 19

The weirdly clustered orbits of some far-flung bodies in our solar system can be explained without invoking a big, undiscovered "Planet Nine," a new study suggests.

No Planet Nine? Weird Orbits of Distant Objects May Have Different Explanation, SPACE.com - Mon 21 Jan 19

New Study Casts Doubt on Planet Nine Hypothesis

Extremetech - Tue 22 Jan 19

Science doesn't consider Pluto a planet anymore, but some believe there's a still-undiscovered ninth planet out there tweaking the orbit of small planetoids. A new study calls into question ...

Mysterious Planet Nine May Actually Be Massive Icy Disc

Geek.com - Tue 22 Jan 19

There is a perfectly logical explanation for the strange orbits of objects in the farthest reaches of our Solar System. And it’s not the so-called “Planet Nine.” Researchers ...

Mysterious Planet Nine hiding beyond Neptune might not be a planet at all - CNET

CNET - Tue 22 Jan 19

"Planet Nine" is a long-theorized super-Earth at the edges of the solar system. New research suggests it's not a planet but a gigantic disk of small bodies.

Planet Nine may NOT exist after all: New study finds explanation for unusual orbits

Daily Mail - Tue 22 Jan 19

Researchers from the University of Cambridge and the American University of Beirut have proposed a new explanation for the elliptical orbits of trans-Neptunian Objects.

Planet Nine may not exist but another mysterious object deep in the solar system could be lurking

FOXNews - Mon 21 Jan 19

There has been much speculation about the existence of Planet Nine and its impact on distant objects in the solar system. But a new study suggests that some of the farthest celestial bodies ...

Planet Nine might not actually be a planet

Popular Science - Mon 21 Jan 19

Space It could be something even cooler. How can something so gargantuan just remain hidden from our eyes for so long?

Planet Nine Not Cause of Strange Orbits, Study Says

Laboratory Equipment - Wed 23 Jan 19

NewsA new theory posits that no such Planet Nine exists—it is instead the gravitational force of many small objects.Staff Author: Seth AugensteinTopics: Space

No need for Planet Nine? Astronomers say an unseen disk of icy space rocks may explain things

Astronomy.com - Tue 22 Jan 19

All that's needed to tweak the orbits of some objects in the outer solar system is a disk of icy debris, not a massive planet.

It's Not Planet Nine, Planet X Or Planet 12, It's Just Gravity

Science 2.0 - Tue 22 Jan 19

After two percent of astronomers threw out one arbitrary definition of planet and replaced it with another arbitrary definition of planet, our solar system went from nine planets to eight. Pluto ...

Outer Solar System Orbits Not Likely Caused by "Planet Nine"

SpaceDaily - Mon 21 Jan 19

Cambridge UK (SPX) Jan 21, 2019 The strange orbits of some objects in the farthest reaches of our solar system, hypothesized by some astronomers to be shaped by an unknown ninth planet, can ...