Search Results - "CIESLA, Fred J."
-
1
Transport of CO in Protoplanetary Disks: Consequences of Pebble Formation, Settling, and Radial Drift
Published in The Astrophysical journal (01-09-2018)“…Current models of (exo)planet formation often rely on a large influx of so-called "pebbles" from the outer disk into the planet formation region. In this…”
Get full text
Journal Article -
2
Outward Transport of High-Temperature Materials Around the Midplane of the Solar Nebula
Published in Science (American Association for the Advancement of Science) (26-10-2007)“…The Stardust samples collected from Comet 81P/Wild 2 indicate that large-scale mixing occurred in the solar nebula, carrying materials from the hot inner…”
Get full text
Journal Article -
3
CO Depletion in Protoplanetary Disks: A Unified Picture Combining Physical Sequestration and Chemical Processing
Published in The Astrophysical journal (01-08-2020)“…The gas-phase CO abundance (relative to hydrogen) in protoplanetary disks decreases by up to two orders of magnitude from its interstellar medium value of…”
Get full text
Journal Article -
4
TRACING WATER VAPOR AND ICE DURING DUST GROWTH
Published in The Astrophysical journal (20-12-2016)“…ABSTRACT The processes that govern the evolution of dust and water (in the form of vapor or ice) in protoplanetary disks are intimately connected. We have…”
Get full text
Journal Article -
5
Organic Synthesis via Irradiation and Warming of Ice Grains in the Solar Nebula
Published in Science (American Association for the Advancement of Science) (27-04-2012)“…Complex organic compounds, including many important to life on Earth, are commonly found in meteoritic and cometary samples, though their origins remain a…”
Get full text
Journal Article -
6
DUST DIFFUSION AND SETTLING IN THE PRESENCE OF COLLISIONS: TRAPPING (SUB)MICRON GRAINS IN THE MIDPLANE
Published in The Astrophysical journal (10-05-2016)“…ABSTRACT In protoplanetary disks, the distribution and abundance of small (sub)micron grains are important for a range of physical and chemical processes. For…”
Get full text
Journal Article -
7
Dust Transport and Processing in Centrifugally Driven Protoplanetary Disk Winds
Published in The Astrophysical journal (01-09-2019)“…There is evidence that protoplanetary disks-including the protosolar one-contain crystalline dust grains on spatial scales where the dust temperature is lower…”
Get full text
Journal Article -
8
The Exoplanet Population Observation Simulator. II. Population Synthesis in the Era of Kepler
Published in The Astrophysical journal (20-12-2019)“…The collection of planetary system properties derived from large surveys such as Kepler provides critical constraints on planet formation and evolution. These…”
Get full text
Journal Article -
9
Quantifying the High Early Solar Cosmic-Ray Flux with Cosmogenic Neon Isotopes in Refractory Minerals
Published in The Astrophysical journal (01-09-2024)“…An enhancement in the activity of the early young Sun resulting in a high charged particle flux has been invoked to explain excesses in spallation-induced…”
Get full text
Journal Article -
10
Sensitivities of Earth's core and mantle compositions to accretion and differentiation processes
Published in Earth and planetary science letters (15-01-2017)“…The Earth and other terrestrial planets formed through the accretion of smaller bodies, with their core and mantle compositions primarily set by metal–silicate…”
Get full text
Journal Article -
11
Chemical Feedback of Pebble Growth: Impacts on CO depletion and C/O ratios
Published in The Astrophysical journal (01-03-2022)“…Observations of protoplanetary disks have revealed them to be complex and dynamic, with vertical and radial transport of gas and dust occurring simultaneously…”
Get full text
Journal Article -
12
Dynamics of the terrestrial planets from a large number of N-body simulations
Published in Earth and planetary science letters (15-04-2014)“…The agglomeration of planetary embryos and planetesimals was the final stage of terrestrial planet formation. This process is modeled using N-body accretion…”
Get full text
Journal Article -
13
Early aqueous activity on the ordinary and carbonaceous chondrite parent bodies recorded by fayalite
Published in Nature communications (23-06-2015)“…Chronology of aqueous activity on chondrite parent bodies constrains their accretion times and thermal histories. Radiometric 53 Mn– 53 Cr dating has been…”
Get full text
Journal Article -
14
The effects of disk building on the distributions of refractory materials in the solar nebula
Published in Meteoritics & planetary science (01-01-2012)“…– Refractory materials, such as calcium‐aluminum‐rich inclusions (CAIs) and crystalline silicates, are widely found in chondritic meteorites as well as comets,…”
Get full text
Journal Article -
15
Destruction of Refractory Carbon in Protoplanetary Disks
Published in The Astrophysical journal (10-08-2017)“…The Earth and other rocky bodies in the inner solar system contain significantly less carbon than the primordial materials that seeded their formation. These…”
Get full text
Journal Article -
16
Post-impact thermal evolution of porous planetesimals
Published in Geochimica et cosmochimica acta (15-10-2012)“…Impacts between planetesimals have largely been ruled out as a heat source in the early Solar System, by calculations that show them to be an inefficient heat…”
Get full text
Journal Article -
17
The D/H ratio of water in the solar nebula during its formation and evolution
Published in Icarus (New York, N.Y. 1962) (01-09-2013)“…•We explore D–H exchange among major gas species in an evolving protoplanetary disk.•The evolving disk accounts for disk formation and angular momentum…”
Get full text
Journal Article -
18
Measuring the level of interstellar inheritance in the solar protoplanetary disk
Published in Meteoritics & planetary science (01-09-2017)“…The timing and extent to which the initial interstellar material was thermally processed provide fundamental constraints for models of the formation and early…”
Get full text
Journal Article -
19
Exoplanet Volatile Carbon Content as a Natural Pathway for Haze Formation
Published in Astrophysical journal. Letters (01-05-2023)“…We explore terrestrial planet formation with a focus on the supply of solid-state organics as the main source of volatile carbon. For the water-poor Earth, the…”
Get full text
Journal Article -
20
The early impact histories of meteorite parent bodies
Published in Meteoritics & planetary science (01-10-2013)“…We have developed a statistical framework that uses collisional evolution models, shock physics modeling, and scaling laws to determine the range of plausible…”
Get full text
Journal Article