...reduced masses have, ‘effectively removed’ the Jupiter ‘barrier’ that must be penetrated by both Oort cloud and Kuiper belt comets if they are to achieve Earth-crossing orbits …’ [19] The term ‘Jupiter barrier’ has a connotation in planetary dynamics...
...of researchers as surrounding its young host star is a lopsided comet belt. Such a feature is regarded by some astronomers to be an ...its infant days. It is suggested that our own belt of comets, the Kuiper belt, lost a large fraction of its mass as it...
... of these, Lucy will target eight of them; a Main Belt asteroid and seven Trojans, four of which are binary systems. ... dark-red P- and D-type Trojans resemble those found in the Kuiper Belt of icy bodies that extends beyond the orbit of Neptune. The...
... ocean habitats so far from the sun on Pluto – and that the same could also be possible on other Kuiper belt objects as well – is absolutely incredible,” remarked Hammond.
... New Frontiers mission, New Horizons, was recently extended by NASA, allowing the mission to fly through the Kuiper Belt in January 2019. The fourth New Frontiers mission will be selected by competition, with the final competition details...
...-Neptunian objects, as Pluto is constrained in its orbit by the gravity of Neptune and it shares its orbital neighbourhood with Kuiper belt objects. But, based on that last aspect it could be reasoned that the IAU definition also excludes Earth...