Astronomer used to think that the Kuiper Belt was a few hundred times larger than the Asteroid belt. They thought it was a donut shaped structure that started at Neptune and extended out 2 billion ...
Modern Engineering Marvels on MSN
Planet Y May Be Closer Than Planet Nine, Study Suggests
A fresh study of the Kuiper Belt’s structure has revived that far-out question, pointing to a possible Earth-sized ...
ScienceAlert on MSN
Planet Y: A Hidden Earth-Size World Could Lurk Far Closer Than 'Planet Nine'
A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...
The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...
Japanese researchers have used computer simulation and the orbits of several large objects past Neptune to calculate that there is Kuiper Belt planet (KBP) 1.5–3 times as massive as Earth, located at ...
It is a question that feels like it should have a straightforward answer: how many planets are there in our solar system? Since Pluto was relegated back down to dwarf planet status, almost everyone ...
On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...
It is a question that feels like it should have a straightforward answer: how many planets are there in our solar system? Since Pluto was relegated back down to dwarf planet status, almost everyone ...
The cold and shadowy fringe of the solar system known as the Kuiper belt is generating increasing debate among scientists as data accumulates on the growing population of objects discovered there. Now ...
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