Zobrazeno 1 - 10
of 350
pro vyhledávání: '"R. Poppe"'
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 20, Pp n/a-n/a (2024)
Abstract In this study, we show that non‐thermal collisions can play a significant role in shaping Europa's exospheric structure. Collisions between radiolytically produced O2 and the O produced via electron impact dissociation of O2 affect the exo
Externí odkaz:
https://doaj.org/article/86ea05296fb249d08315e072dbaace02
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 14, Pp n/a-n/a (2024)
Abstract We present measurements of 30–700 keV Solar Energetic Electrons (SEEs) near the Moon when within the terrestrial magnetotail by the Acceleration, Reconnection, Turbulence, and Electrodynamics of the Moon's Interaction with the Sun spacecra
Externí odkaz:
https://doaj.org/article/43d88a2b060346a2aa01e6b5430f5a09
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 10, Pp n/a-n/a (2024)
Abstract This study presents evidence of stably trapped electrons at Jupiter's moon Ganymede. We model energetic electron pitch angle distributions and compare them to observations from the Galileo Energetic Particle Detector to identify signatures o
Externí odkaz:
https://doaj.org/article/217798c886c94f1ebfb2fe0d4a98692e
Autor:
J. R. Szalay, J. Saur, D. J. McComas, F. Allegrini, F. Bagenal, S. J. Bolton, R. W. Ebert, T. K. Kim, G. Livadiotis, A. R. Poppe, P. Valek, R. J. Wilson, E. J. Zirnstein
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 6, Pp n/a-n/a (2024)
Abstract Jupiter's plasma sheet has been understood to be primarily composed of Io‐genic sulfur and oxygen, along with protons at lower mass density. These ions move radially away from Jupiter, filling its magnetosphere. The material in the plasma
Externí odkaz:
https://doaj.org/article/e6e3aa6a8deb421da0e280e930008f33
Publikováno v:
The Astrophysical Journal Letters, Vol 963, Iss 1, p L32 (2024)
Jupiter’s largest moon Ganymede has its own intrinsic magnetic field, which forms a magnetosphere that is embedded within Jupiter’s corotating magnetospheric plasma. This scenario has been shown to lead to complex ion precipitation patterns that
Externí odkaz:
https://doaj.org/article/b52eeae923c64d8091edeb6391dde622
Autor:
Alex Doner, Mihály Horányi, Fran Bagenal, Pontus Brandt, Will Grundy, Carey Lisse, Joel Parker, Andrew R. Poppe, Kelsi N. Singer, S. Alan Stern, Anne Verbiscer
Publikováno v:
The Astrophysical Journal Letters, Vol 961, Iss 2, p L38 (2024)
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. We present the latest SDC dust de
Externí odkaz:
https://doaj.org/article/ca4f51c1395747ac813a5d6030f5a177
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 11, Pp n/a-n/a (2023)
Abstract We use data from the plasma and energetic particle instruments on the Juno spacecraft, JADE and JEDI, to study the equatorial pitch angle distributions of energetic protons within Jupiter's inner magnetosphere during Juno's prime mission fro
Externí odkaz:
https://doaj.org/article/3c47a09adeec47e28a68ff4a2889392f
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 12, Pp n/a-n/a (2023)
Abstract This study presents observations of Solar Energetic Particle (SEP) protons that have penetrated Earth's magnetotail to reach the lunar environment. We apply data from Wind as an upstream monitor and compare to observations from THEMIS‐ARTE
Externí odkaz:
https://doaj.org/article/84139bf9e41a46d285cf9175676aedb0
Publikováno v:
The Astrophysical Journal, Vol 967, Iss 2, p 84 (2024)
The Moon is enveloped in an exosphere, which is comprised of a variety of neutral atoms and molecules. Once exospheric neutrals are ionized by photons, protons, or electrons from the Sun, the resulting ions are accelerated by the electromagnetic fiel
Externí odkaz:
https://doaj.org/article/f2f15e7919af4628b06df9d2196b0ea1
Publikováno v:
The Astrophysical Journal Letters, Vol 958, Iss 2, p L35 (2023)
Heavy ( Z > 26) solar energetic particles (SEPs) with energies ∼1 MeV nucleon ^−1 are known to leave visible damage tracks in meteoritic materials. The density of such “solar flare tracks” in lunar and asteroidal samples has been used as a me
Externí odkaz:
https://doaj.org/article/07da95051066488e9305af6ca4f78e4b