While many asteroids are composed primarily of rock and metal, most Kuiper belt objects are composed largely of frozen volatiles (termed "ices"), such as methane, ammonia, and water. The Kuiper belt is …

Mar 12, 2025 · The Kuiper Belt is a doughnut-shaped region of icy objects beyond the orbit of Neptune. It is home to Pluto and most of the known dwarf planets and some comets.

Nov 17, 2025 · Kuiper belt, flat ring of icy small bodies that revolve around the Sun beyond the orbit of the planet Neptune. It comprises hundreds of millions of objects whose orbits lie close to the plane of …

Dec 5, 2025 · The Kuiper Belt is sometimes called the Kuiper-Edgeworth Belt, after astronomers Gerard Kuiper and Kenneth Edgeworth. Neither of the two discovered this region, but both independently …

Jan 21, 2023 · The Kuiper belt is a thick ring of dwarf planets, comets, and debris out past the orbit of Neptune. The belt contains around one hundred thousand objects that are at least 100 kilometers …

Jun 16, 2025 · Often described as the “third zone” of our solar system—after the terrestrial planets and the gas giants—this belt holds crucial clues about the formation and evolution of our cosmic …

Jul 27, 2025 · The Kuiper Belt, pronounced “KY-per,” is a vast, toroidal region beyond Neptune’s orbit, extending roughly from 30 to 55 astronomical units (AU) from the Sun (1 AU is the distance from …

Mar 13, 2025 · The Kuiper Belt is an enormous, donut-shaped volume of space in the outer solar system. While there are many icy bodies in this region that we broadly refer to as Kuiper Belt Objects …

Oct 30, 2025 · The Kepler Belt, also known as the Edgeworth-Kepler Belt, is a circum-stellar disc in the outer Solar System, extending from the orbit of Neptune at 30 AU (astronomical units) to …

Oct 19, 2023 · The Kuiper Belt is a disc of celestial objects beyond Neptune that contains asteroids, comets, dwarf planets, and Centaurs among others. The Kuiper Belt spans from 30 AU to 50 AU.