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For a period of time, the object became known to the wider public as Xena. "Xena" was an informal name used internally by the discovery team, inspired by the title character of the television series Xena: Warrior Princess. The discovery team had reportedly saved the nickname "Xena" for the first body they discovered that was larger than Pluto.
In 1978, Pluto was conclusively determined to be too small for its gravity to affect the giant planets, resulting in a brief search for a tenth planet. The search was largely abandoned in the early 1990s, when a study of measurements made by the Voyager 2 spacecraft found that the irregularities observed in Uranus's orbit were due to a slight ...
Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. It is the largest known trans-Neptunian object by volume, by a small margin, but is less massive than Eris.
It is about half the diameter and an eighth the mass of Pluto, a dwarf planet that resides in a frigid region of the outer Solar System called the Kuiper Belt, beyond the most distant planet Neptune.
The Search for Planet Nine Archived November 24, 2017, at the Wayback Machine Konstantin Batygin's and Brown's blog; Brown's Talk on How I Killed Pluto and Why It Had It Coming Part of the Silicon Valley Astronomy Lecture Series; The Tenth Planet, by Alec Wilkinson, The New Yorker, July 24, 2006
Instead, they launch large amounts of frozen water that may have the consistency of toothpaste. The dwarf planet Pluto, which is smaller than Earth's moon, orbits about 3.6 billion miles away from th.
Observations made by New Horizons subsequently found Pluto to be marginally larger than the object, which was ultimately named Eris. The object's nickname "Xena" was used in the press. New Scientist magazine polled the public on their preferred final name for the so-called tenth planet; "Xena" ranked number 4. [59]
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