A Giant Planet Seems to Be Lurking Unseen in Our Solar System
Jul 28, 2023 · In the past 100 years, we've found smaller distant bodies we call dwarf planets, which is what we now classify Pluto as. The discovery of some of these dwarf planets has given us reason to believe something else might be lurking in the outskirts of the Solar System.
Astronomers Say There Could Be at Least 2 More Mystery Planets …
Jun 14, 2016 · In January, researchers from the California Institute of Technology (Caltech) found evidence for what they call Planet Nine, a huge icy planet that could be lurking somewhere beyond Neptune in the far reaches of our Solar System.
Scientists Find Hints Of A Giant, Hidden Planet In Our Solar System
Jan 20, 2016 · Something very big, out beyond Neptune, is warping the orbits of small, icy objects circling our sun. Astronomers haven't seen it yet, but say the culprit could be a planet with 10 times...
Signs of a hidden Planet Nine in our solar system may be an illusion
Mar 31, 2021 · Previous work had suggested that a number of far-out objects in the solar system clump in the sky as if shepherded by an unseen giant planet. That planet would have to have at least 10 times the mass of Earth. Astronomers dubbed the invisible world Planet Nine or Planet X.
Signs of a hidden Planet Nine in the solar system may not hold up
Feb 22, 2021 · Planet Nine might be a mirage. What once looked like evidence for a massive planet hiding at the solar system’s edge may be an illusion, a new study suggests.
Planet 9 may be closer and easier to find than thought—if it exists
Aug 31, 2021 · The new study finds that there’s a 99.6 percent chance that the peculiar orbital alignments of these objects are the work of an unseen planet and not random chance.
Hubble Pins Down Weird Exoplanet with Far-Flung Orbit
Dec 10, 2020 · A planet in an unlikely orbit around a double star 336 light-years away may offer a clue to a mystery much closer to home: a hypothesized, distant body in our solar system dubbed “Planet Nine.” This Hubble Space Telescope image shows one possible orbit (dashed ellipse) of the 11-Jupiter-mass exoplanet HD 106906 b.
These aren't the planets you're looking for
Nov 2, 2015 · It has been suggested that any gap must be caused by an unseen planet that formed in the disk and carved out material from its surroundings. However, new research shows that a gap could be a sort of cosmic illusion and not the sign of a hidden planet after all.
Shy giants – Exoplanet Exploration: Planets Beyond our Solar …
Oct 28, 2015 · A team of astronomers is proposing that huge spiral patterns seen around some newborn stars, merely a few million years old (about one percent our sun’s age), may be evidence for the presence of giant unseen planets.
The True Stories of 5 Mystery Planets - Live Science
May 22, 2012 · Astronomers have been predicting the existence of unseen planets in the solar system for centuries. Sometimes they're right, but other times it's just wishful thinking.