Results 111 to 120 of about 4,034,717 (373)
Two Wide Planetary-mass Companions to Solar-type Stars in Upper Scorpius [PDF]
, 2011 At wide separations, planetary-mass and brown dwarf companions to solar-type stars occupy a curious region of parameter space not obviously linked to binary star formation or solar system scale planet formation.
Hillenbrand, L. A. +4 more
core
Advanced Functional Materials, EarlyView.Gallium sulfide (GaS) forms self‐assembled heterostructures with its native oxide, exhibiting high performance in water splitting and ultrasensitive and selective ammonia detection. Surface defects and controlled oxidation enhance catalytic activity and sensing response.
Danil W. Boukhvalov +13 more
wiley +1 more source
MINIMUM MASS SOLAR NEBULAE AND PLANETARY MIGRATION [PDF]
The Astrophysical Journal, 2009 14 pages, 10 figures ; article accepted for publication in ApJ. Results also presented at the Tuebingen Conference "Planet Formation and Evolution"; presentation available on http://www.tat.physik.uni-tuebingen.de/~fgp/Conf09/programme ...
openaire +5 more sources
Advanced Functional Materials, EarlyView.Particular thermal metamaterials are widely used as daytime radiative coolers merely by embedding thermally emissive nanoparticles (NPs) in liquid resins to form scalable, yet highly efficient cooling films in a cost‐effective way. However, randomly dispersed NPs, prevalently used thus far, cause strong scattering, limiting NP content and cooling ...
YongDeok Cho +10 more
wiley +1 more source
Problem of planetary systems existence. II. Expected properties and the first results of the search
Вісник Астрономічної школи, 2004 Specialities of planets composition, their physical properties and classification are discussed. For planetary systems of different ages analysis of coming configurations is carried out. It is shown, that there are two principal vicinities on the diagram
V. A. Zakhozhay
doaj +1 more source
TOI-3785 b: A Low-density Neptune Orbiting an M2-dwarf Star
The Astronomical Journal, 2023 Using both ground-based transit photometry and high-precision radial velocity spectroscopy, we confirm the planetary nature of TOI-3785 b. This transiting Neptune orbits an M2-Dwarf star with a period of ∼4.67 days, a planetary radius of 5.14 ± 0.16 R _⊕
Luke C. Powers +21 more
doaj +1 more source
THE RADIAL AND ROTATIONAL VELOCITIES OF PSO J318.5338-22.8603, A NEWLY CONFIRMED PLANETARY-MASS MEMBER OF THE β PICTORIS MOVING GROUP [PDF]
, 2016 PSO J318.5338−22.8603 is an extremely red planetary-mass object that has been identified as a candidate member of the β Pictoris moving group based on its spatial position and tangential velocity.
K. Allers +3 more
semanticscholar +1 more source
Very Late Thermal Pulses Influenced by Accretion in Planetary Nebulae
, 2009 We consider the possibility that a mass of ~10^{-5}-10^{-3} Msun flows back from the dense shell of planetary nebulae and is accreted by the central star during the planetary nebula phase.
Adam Frankowski +25 more
core +1 more source
Advanced Functional Materials, EarlyView.This work utilizes poly(heptazine imides) as a model system to demonstrate how fine‐tuning the crystal structure influences the photocatalytic properties of layered carbon nitrides in the hydrogen evolution reaction. In particular, the nature of rotational defects and the hydration shell of cations are key contributors to enhanced hydrogen evolution ...
Diana V. Piankova +11 more
wiley +1 more source
Brown dwarfs forming in discs: Where to look for them?
EPJ Web of Conferences, 2011 A large fraction of the observed brown dwarfs may form by gravitational fragmentation of unstable discs. This model reproduces the brown dwarf desert, and provides an explanation for the existence of planetary-mass objects and for the binary properties ...
Stamatellos D., Whitworth A.
doaj +1 more source