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pro vyhledávání: '"W. Garrett Levine"'
Autor:
W. Garrett Levine, Shreyas Vissapragada, Adina D. Feinstein, George W. King, Aleck Hernandez, Lía Corrales, Michael Greklek-McKeon, Heather A. Knutson
Publikováno v:
The Astronomical Journal, Vol 168, Iss 2, p 65 (2024)
Aeronomy, the study of Earth’s upper atmosphere and its interaction with the local space environment, has long traced changes in the thermospheres of Earth and other solar system planets to solar variability in the X-ray and extreme-ultraviolet (co
Externí odkaz:
https://doaj.org/article/1d574615dd3248689cb40a5e5fba837b
Autor:
W. Garrett Levine, Aster G. Taylor, Darryl Z. Seligman, Devin J. Hoover, Robert Jedicke, Jennifer B. Bergner, Gregory P. Laughlin
Publikováno v:
The Planetary Science Journal, Vol 4, Iss 7, p 124 (2023)
Interstellar small bodies are unique probes into the histories of exoplanetary systems. One hypothesized class of interlopers are “Jurads,” exocomets released into the Milky Way during the post-main-sequence as the thermally pulsing asymptotic gi
Externí odkaz:
https://doaj.org/article/4cb139d6d3334288baaf2d4f854d02e2
Autor:
W. Garrett Levine, Robert Jedicke
Publikováno v:
Icarus. 396:115501
The apparent magnitude of elongated small bodies is time-dependent over their rotation phase. Therefore, previously undiscovered aspherical minor planets may experience a shape-driven selection effect in systematic surveys versus their spherical coun
At present, there exists no consensus in the astronomical community regarding either the bulk composition or the formation mechanism for the interstellar object 1I/2017 U1 ('Oumuamua). With the goal of assessing the merits of the various scenarios th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1cb817d252f06cfe4260d3b4d8e5f9a
http://arxiv.org/abs/2108.11194
http://arxiv.org/abs/2108.11194
Publikováno v:
The Planetary Science Journal. 2:234
The compositional and morphological evolution of minor bodies in the solar system is primarily driven by the evolution of their heliocentric distances, as the level of incident solar radiation regulates cometary activity. We investigate the dynamical
Publikováno v:
The Astrophysical Journal. 920:28
The first interstellar object, 1I/2017 U1 (`Oumuamua), exhibited several unique properties, including an extreme aspect ratio, a lack of typical cometary volatiles, and a deviation from a Keplerian trajectory. Several authors have hypothesized that t
Autor:
Gregory Laughlin, W. Garrett Levine
Publikováno v:
The Astrophysical Journal. 912:3
The properties of the first-discovered interstellar object (ISO), 1I/2017 (`Oumuamua), differ from both Solar System asteroids and comets, casting doubt on a protoplanetary disk origin. In this study, we investigate the possibility that it formed wit
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