Results 41 to 50 of about 51,843 (335)

Rings in the Solar System: a short review

open access: yes, 2018
Rings are ubiquitous around giant planets in our Solar System. They evolve jointly with the nearby satellite system. They could form either during the giant planet formation process or much later, as a result of large scale dynamical instabilities either
A Crida   +52 more
core   +1 more source

Phase light curves for extrasolar Jupiters and Saturns [PDF]

open access: yes, 2004
We predict how a remote observer would see the brightness variations of giant planets similar to Jupiter and Saturn as they orbit their central stars. We model the geometry of Jupiter, Saturn and Saturn's rings for varying orbital and viewing parameters.
Carolyn C. Porco   +11 more
core   +2 more sources

On‐Demand Activation of Thin Alginate Shell Encapsulated Volatile Liquid for Untethered Pneumatic Soft Actuation

open access: yesAdvanced Engineering Materials, EarlyView.
Phase‐changing liquids enable untethered pneumatic actuation in soft robotics but suffer from volatility and storage challenges. This work reports a simple method to encapsulate Novec 7000 within micron‐thin alginate shells via in situ injection and ionic crosslinking.
Rayan A. M. Basodan   +3 more
wiley   +1 more source

The Yarkovsky Effect on the Long-term Evolution of Binary Asteroids

open access: yesThe Astrophysical Journal Letters
We explore the Yarkovsky effect on small binary asteroids. While significant attention has been given to the binary YORP effect, the Yarkovsky effect is often overlooked.
Wen-Han Zhou   +6 more
doaj   +1 more source

Generic occurrence of rings in rotating systems

open access: yes, 2000
In rotating scattering systems, the generic saddle-center scenario leads to stable islands in phase space. Non-interacting particles whose initial conditions are defined in such islands will be trapped and form rotating rings.
Benet   +12 more
core   +1 more source

Detecting transit signatures of exoplanetary rings using SOAP3.0 [PDF]

open access: yes, 2017
CONTEXT. It is theoretically possible for rings to have formed around extrasolar planets in a similar way to that in which they formed around the giant planets in our solar system. However, no such rings have been detected to date. AIMS: We aim to test
Akinsanmi, B.   +3 more
core   +1 more source

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

open access: yesAdvanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal   +10 more
wiley   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

Puffed-up Inner Rings and Razor-thin Outer Rings in Structured Protoplanetary Disks

open access: yesThe Astrophysical Journal
The vertical distribution of pebbles in protoplanetary disks is a fundamental property influencing planet formation, from dust aggregation to the assembly of planetary cores.
Haochang Jiang   +10 more
doaj   +1 more source

Evolving Morphology of Resolved Stellar Einstein Rings

open access: yesThe Astrophysical Journal, 2023
We consider strong gravitational lensing by nearby stars. Using our wave-optical treatment of lensing phenomena, we study Einstein rings that may form around nearby stellar lenses.
Slava G. Turyshev, Viktor T. Toth
doaj   +1 more source

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