Results 21 to 30 of about 660 (182)

Great Expectations: Plans and Predictions for New Horizons Encounter With Kuiper Belt Object 2014 MU69 (“Ultima Thule”)

open access: yesGeophysical Research Letters, 2018
The New Horizons encounter with the cold classical Kuiper Belt object 2014 MU69 (informally named “Ultima Thule,” hereafter Ultima) on 1 January 2019 will be the first time a spacecraft has ever closely observed one of the free‐orbiting small denizens of
Jeffrey M. Moore   +33 more
doaj   +1 more source

Atmospheres and surfaces of small bodies and dwarf planets in the Kuiper Belt

open access: yesEPJ Web of Conferences, 2010
Kuiper Belt Objects (KBOs) are icy relics orbiting the sun beyond Neptune left over from the planetary accretion disk. These bodies act as unique tracers of the chemical, thermal, and dynamical history of our solar system.
Schaller E.L.
doaj   +1 more source

On nature of evolution of short-period comets. On the question of short-period comets evolution

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2007
The main hypothesis of short-period comets evolution are considered. Basing on the performed researches we conclude that the main sources of short-period comets are: main asteroid belt, relict asteroid belts between giant planets and the Kuiper belt.
A. F. Zausaev, A. A. Zausaev
doaj   +1 more source

Modified Newtonian Dynamics as an Alternative to the Planet Nine Hypothesis

open access: yesThe Astronomical Journal, 2023
A new class of Kuiper Belt objects (KBOs) that lie beyond Neptune with semimajor axes greater than 250 astronomical units show orbital anomalies that have been interpreted as evidence for an undiscovered ninth planet.
Katherine Brown, Harsh Mathur
doaj   +1 more source

Close Trans-Neptunian Object Passages as a Driver of the Origin and Evolution of Ultrawide Kuiper Belt Binaries

open access: yesThe Astronomical Journal, 2022
Within the dynamically cold low-inclination portion of the Classical Kuiper Belt, there exists a population of weakly bound binary systems with a number of unusual properties, most notable of which is their extremely wide orbital separations—beyond 7% of
Hunter M. Campbell   +2 more
doaj   +1 more source

The Kuiper Belt and Olbers's Paradox

open access: yesThe Astrophysical Journal, 2001
4 pages and 2 figures; submitted to Astrophysical Journal ...
Kenyon, Scott J., Windhorst, Rogier A.
openaire   +2 more sources

Col-OSSOS: The Two Types of Kuiper Belt Surfaces

open access: yesThe Planetary Science Journal, 2023
The Colors of the Outer Solar System Origins Survey (Col-OSSOS) has gathered a high-quality, near-simultaneous, and brightness-complete sample of ( g − r ) and ( r − J ) colors for 102 Kuiper Belt objects (KBOs) with ( u − g ) and ( r − z ) gathered for ...
Wesley C. Fraser   +14 more
doaj   +1 more source

Impacts of thrusting, extensional faulting, and glaciation on cratering records of Pluto’s largest moon Charon: Implications for the evolution of Kuiper belt objects

open access: yesEarth and Planetary Physics, 2022
A first-order question in the studies of the Solar System is how its outer zone known as the Kuiper belt was created and evolved. Two end-member models, involving coagulation vs. streaming instability, make different predictions—testable by the cratering
HanZhang Chen, An Yin
doaj   +1 more source

The Trojan-like Colors of Low-perihelion Kuiper Belt Objects

open access: yesThe Planetary Science Journal
An important testable prediction of dynamical instability models for the early evolution of the solar system is that Jupiter Trojans share a source population with the Kuiper Belt.
Matthew Belyakov   +2 more
doaj   +1 more source

The Plane of the Kuiper Belt [PDF]

open access: yesThe Astronomical Journal, 2004
We present a robust method for measuring the effective plane of the Kuiper belt. The derived plane has an inclination with respect to the ecliptic of 1o.86 and an ascending node of 81o.6, with a 1 σ error in pole position of the plane of 0o.37. The plane of the Kuiper belt is inconsistent with the invariable plane, the plane of Jupiter, and the plane ...
Brown, Michael E., Pan, Margaret
openaire   +2 more sources

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