Results 71 to 80 of about 15,689 (250)

The Hickory Run Boulder Field, Carbon County, Pennsylvania, USA: Morphology, sedimentology and development

open access: yesEarth Surface Processes and Landforms, Volume 50, Issue 15, December 2025.
Relative weathering indices and three‐dimensional fabric analyses demonstrate allochthonous emplacement of the Hickory Run Boulder Field via periglacial mass movement. Spatially coherent trends confirm a time‐transgressive surface formed under Pleistocene permafrost conditions, with tributary‐like integration of clasts from a secondary boulder field ...
Raven J. Mitchell, Frederick E. Nelson
wiley   +1 more source

An Extremely Deep Rubin Survey to Explore the Extended Kuiper Belt and Identify Objects Observable by New Horizons

open access: yesThe Astrophysical Journal Supplement Series
A proposed Vera C. Rubin Observatory deep-drilling microsurvey of the Kuiper Belt will investigate key properties of the distant solar system. Utilizing 30 hr of Rubin time across six 5 hr visits over 1 yr starting in summer 2026, the survey aims to ...
J. J. Kavelaars   +24 more
doaj   +1 more source

Satellites and Small Bodies With ALMA: Insights Into Solar System Formation and Evolution

open access: yesAGU Advances, Volume 6, Issue 6, December 2025.
Abstract Our understanding of the formation and evolution of planetary systems has made major advances in the past decade. This progress has been driven in large part by the Atacama Large Millimeter/submillimeter Array (ALMA), which has given us an unprecedented view of solar system bodies themselves, and of the structure and chemistry of forming ...
Katherine de Kleer   +3 more
wiley   +1 more source

The Inner Kernel of the Classical Kuiper Belt

open access: yesThe Astrophysical Journal Letters
The “kernel” of the classical Kuiper Belt was discovered by Petit et al. as a visual overdensity of objects with low ecliptic inclinations and eccentricities at semimajor axes near ∼44 au.
Amir Siraj   +2 more
doaj   +1 more source

Detection of methane on Kuiper Belt Object (50000) Quaoar [PDF]

open access: yes, 2006
The near-infrared spectrum of (50000) Quaoar obtained at the Keck Observatory shows distinct absorption features of crystalline water ice, solid methane and ethane, and possibly other higher order hydrocarbons. Quaoar is only the fifth Kuiper belt object
Brown, M. E., Schaller, E. L.
core   +4 more sources

Tracking Sediment Mixing Along the Lower Danube River From the Carpathians to the Black Sea

open access: yesTerra Nova, Volume 37, Issue 6, Page 413-420, December 2025.
ABSTRACT We use detrital zircon U–Pb geochronology as a sediment provenance tracer in modern river sands to better understand how tectonic, climatic, and anthropogenic processes modulate sediment transport dynamics of the Carpathians to the Black Sea source to sink system.
Iulian Pojar   +5 more
wiley   +1 more source

New Horizons Venetia Burney Student Dust Counter Observes Higher than Expected Fluxes Approaching 60 au

open access: yesThe Astrophysical Journal Letters
The NASA New Horizons Venetia Burney Student Dust Counter (SDC) measures dust particle impacts along the spacecraft’s flight path for grains with mass ≥10 ^−12 g, mapping out their spatial density distribution.
Alex Doner   +10 more
doaj   +1 more source

Spectroscopic Links among Giant Planet Irregular Satellites and Trojans

open access: yesThe Planetary Science Journal, 2023
We collect near-infrared spectra (∼0.75–2.55 μ m) of four Jovian irregular satellites and visible spectra (∼0.32–1.00 μ m) of two Jovian irregular satellites, two Uranian irregular satellites, and four Neptune Trojans.
Benjamin N. L. Sharkey   +4 more
doaj   +1 more source

The small numbers of large Kuiper belt objects [PDF]

open access: yes, 2013
We explore the brightness distribution of the largest and brightest (m(R) < 22) Kuiper Belt Objects (KBOs). We construct a luminosity function of the dynamically excited or hot Kuiper Belt (orbits with inclinations >5°) from the very brightest to m(
Brown, Michael E.   +2 more
core   +2 more sources

Global Analysis of Storm Surge Seasonality

open access: yesJournal of Geophysical Research: Oceans, Volume 130, Issue 11, November 2025.
Abstract We perform the first global analysis of storm surge seasonality using surge data from a global hydrodynamic model with full coverage of coastal areas, providing valuable insights for regions not represented in alternative observational data sources. We apply directional statistics based on the mixture model of the von Mises‐Fisher distribution
Ayoola Apolola   +5 more
wiley   +1 more source

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