Results 101 to 110 of about 2,276,345 (222)

Reassessing the Relationship Between Meteor Radio Afterglows and Optical Persistent Trains

open access: yesJournal of Geophysical Research: Space Physics, Volume 130, Issue 9, September 2025.
Abstract Meteor radio afterglows (MRAs) and optical persistent trains (PTs) are two types of long‐lived phenomena which are occasionally observed following the occurrence of a meteor. Both phenomena are thought to be produced by intrinsic emission mechanisms; PTs have been associated with chemiluminescent reactions between meteoric metals and ...
L. E. Cordonnier   +5 more
wiley   +1 more source

Challenge in Arrokoth’s Single Merger to Achieve the Shape’s Principal Axis Configuration

open access: yesThe Planetary Science Journal
The cold-classical Kuiper Belt Object 486958 Arrokoth is a contact binary composed of two flattened lobes, Weeyo and Wenu, closely aligned along their principal axes, despite each lobe having a highly irregular shape.
Ketan Kamat   +2 more
doaj   +1 more source

Kuiper Belt formation via grainy planetary migration

open access: yes
We used N-body simulations to model the 4.5 Gyr orbital evolution of the early Kuiper Belt, incorporating a massive protoplanetary disc, the four giant planets, and 1500 primordial Pluto-class bodies ('Plutos') that drove Neptune's grainy migration.
Bernardinelli, Pedro   +2 more
core   +1 more source

Exploring the Kuiper Belt: Design of trajectories for long-term Kuiper Belt exploration

open access: yes, 2020
Previous trajectory proposals with the purpose of exploring the Kuiper Belt have been limited to identifying trajectories to fly by a single pre-selected Kuiper Belt Object (KBO).
van der Heyden, Laurens (author)
core  

TESS Discovers a Second System of Transiting Exocomets in the Extreme Debris Disk of RZ Psc

open access: yesThe Astrophysical Journal Letters
We present the Transiting Exoplanet Survey Satellite (TESS) discovery of only the second system of transiting exocomets with a sufficient number of events to measure the size distribution in the RZ Psc system, enabling comparisons with the β Pictoris and
Adalyn Gibson   +11 more
doaj   +1 more source

From Kuiper Belt Object To Cometary Nucleus

open access: yes, 2007
We now realise that many small body populations are related through a common origin in the Kuiper Belt, notably the Centaurs, the Jupiter Family Comets and certain dead-comets.
David Jewitt Institute, David Jewitt
core  

SPHEREx Pre-perihelion Mapping of H2O, CO2, and CO in Interstellar Object 3I/ATLAS

open access: yesThe Astrophysical Journal Letters
From 2025 August 1 to August 15 UT, the SPHEREx spacecraft observed interstellar object 3I/ATLAS. Using R = 40–130 spectrophotometry at λ = 0.7–5 μ m, lightcurves, spectra, and imaging of 3I were obtained.
Carey M. Lisse   +37 more
doaj   +1 more source

The Largest Kuiper Belt Objects

open access: yes, 2008
While for the first decade of the study of the Kuiper belt, a gap existed between the sizes of the relatively small and faint Kuiper belt objects (KBOs) that were being studied and the largest known KBO.
Brown, Michael E.
core  

The Radial Distribution of the Kuiper Belt [PDF]

open access: yes, 2001
We examine the radial distribution of the Kuiper Belt objects (KBOs) using a method that is insensitive to observational bias effects. This technique allows the use of the discovery distances of all KBOs, independent of orbital classification or ...
Trujillo, Chadwick A.   +3 more
core   +1 more source

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