Results 21 to 30 of about 20,985 (231)

Short term Variability of the Sun Earth System: An Overview of Progress Made during the CAWSES II Period [PDF]

, 2015
This paper presents an overview of results obtained during the CAWSES II period on the short term variability of the Sun and how it affects the near Earth space environment. CAWSES II was planned to examine the behavior of the solar terrestrial system as
Gopalswamy, Nat, Tsurutani, Bruce, Yan, Yihua   +2 more
core   +2 more sources

Oscillations in the open solar magnetic flux with a period of 1.68 years: imprint on galactic cosmic rays and implications for heliospheric shielding [PDF]

Annales Geophysicae, 2004
An understanding of how the heliosphere modulates galactic cosmic ray (GCR) fluxes and spectra is important, not only for studies of their origin, acceleration and propagation in our galaxy, but also for predicting their effects (on technology and on the
A. Rouillard, M. Lockwood, M. Lockwood
doaj   +1 more source

Interplanetary magnetic field control of dayside transient event occurrence and motion in the ionosphere and magnetosphere [PDF]

Annales Geophysicae, 2004
The pressure pulse model for dayside transient ionospheric events predicts dawnward moving events at and prior to local noon during periods of spiral interplanetary magnetic field (IMF) orientation, but duskward moving events at and after local noon ...
G. I. Korotova, D. G. Sibeck, H. J. Singer, T. J. Rosenberg, M. J. Engebretson   +4 more
doaj   +1 more source

Instabilities Driven by Proton Temperature Anisotropy in the Presence of Alpha Particles: Implications for Proton-temperature-anisotropy Constraint in the Solar Wind

The Astrophysical Journal, 2023
In situ measurements reveal that proton temperature anisotropy is ubiquitous in the solar wind. Various plasma instabilities have been proposed to regulate the distribution of the proton temperature anisotropy in the solar wind; detailed constraint ...
L. Xiang, D. J. Wu, L. Chen, Q. H. Li, G. Q. Zhao, H. Q. Feng, H. W. Yu   +6 more
doaj   +1 more source

NASA Will Launch Third Interplanetary Monitoring Platform [PDF]

, 1965
Explorer XVIII satellite Interplanetary Monitoring Platform /IMP/ measurements of magnetic fields, cosmic rays, solar wind, and lunar magnetosphere shock ...

core   +1 more source

Shock metamorphic effects in Itokawa phosphates: A comparison with megaregolith‐derived meteorites

Meteoritics &Planetary Science, EarlyView.
Abstract Returned regolith samples from the asteroid Itokawa provide a unique opportunity to compare shock metamorphic effects in unconsolidated regolith materials with those preserved in lithified meteorites, that is, megaregolith. We analyzed four Itokawa particles (Ueda—RA‐QD02‐0519, Narahara—RA‐QD02‐0573, Domon—RA‐QD02‐0588, Ishiuchi—RX‐MD03‐0212 ...
E. Dobrică, A. N. Krot, A. J. Brearley
wiley   +1 more source

Heliospheric Diffusion of Stochastic Parker Spirals in Radially Evolving Solar Wind Turbulence

The Astrophysical Journal
 We present a stochastic field line mapping model where the interplanetary magnetic field lines are described by a density distribution function satisfying a Fokker–Planck equation that is solved numerically.
N. H. Bian, R. D. Strauss, G. Li, N. E. Engelbrecht   +3 more
doaj   +1 more source

Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight

Experimental Physiology, EarlyView.
Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley   +1 more source

Characterization of Small Flux Ropes Using Juno Spacecraft Cruise-phase Data

The Astrophysical Journal
In this study, we utilize magnetic field data from the Juno mission’s cruise phase to visually identify and analyze 338 interplanetary small flux ropes (SFRs) across a heliocentric distance range of 1–5.5 au.
Sahanaj A. Banu, Réka M. Winslow, Camilla Scolini, Emma E. Davies, Charles J. Farrugia, Amy K. Murphy, Noé Lugaz, Nada Al-Haddad   +7 more
doaj   +1 more source

Probing the magnetic topology of coronal mass ejections by means of Ulysses/HI-SCALE energetic particle observations [PDF]

Annales Geophysicae, 2000
In this work, solar flare energetic particle fluxes (Ee ≥ 42 keV) observed by the HI-SCALE instrument onboard Ulysses, a spacecraft that is probing the heliosphere in 3-D, are utilized as diagnostics of the large-scale structure and topology of
O. Malandraki, O. Malandraki, E. T. Sarris, E. T. Sarris, P. Trochoutsos, P. Trochoutsos   +5 more
doaj   +1 more source