1. Kuiper belt - Noun
2. Kuiper belt - Proper noun
a disk-shaped region of minor planets outside the orbit of Neptune
Source: WordNetA consensus among astronomers as to the precise definition of the Kuiper belt has yet to be reached, and this issue remains unresolved. Source: Internet
A growing number of astronomers argued for Pluto to be declassified as a planet, because many similar objects approaching its size had been found in the same region of the Solar System (the Kuiper belt ) during the 1990s and early 2000s. Source: Internet
A large number of Kuiper belt objects, like Pluto, are in a 2:3 orbital resonance with Neptune. Source: Internet
Although Pluto is currently the largest known KBO, there is at least one known larger object currently outside the Kuiper belt that probably originated in it: Neptune's moon Triton (which, as explained above, is probably a captured KBO). Source: Internet
Astronomers refer to a region of minor planets beyond Neptune as the " Kuiper belt ", since Kuiper had suggested that such small planets or comets may have formed there. Source: Internet
Because the scattered disc is dynamically active and the Kuiper belt relatively dynamically stable, the scattered disc is now seen as the most likely point of origin for periodic comets. Source: Internet